One of the best features of this tool is that it can combine two different file formats of images to get effective results. Not only images but a user can deal with their animated and GIF files in it the same way they work with their normal image file. Once we start working with it, we find several advanced features that help in the batch processing of images, the complex editing process, etc. PhotoScape is also one of the image editing, viewing, and managing tools packed with powerful features. Not only can these mentioned features be done by this software, but we can also scan and directly print our images from this software, create slideshows, do batch processing of several images, play digital media files, and many more things with it. Irfan View is a primary and advanced featured photo editor, viewer, convert, and manager tool. Now let us move to the next one on our list. So if you want a simple image editing tool with basic features, use this software. However, although we can’t do the advanced level of photo editing with Microsoft Office Picture Manager, it has expertise in dealing with different image manipulation techniques such as cropping of images, color adjustment, image resizing, and so on. There is a drawback that it can’t use for a high level of the photo editing process. It has many different features, such as viewing pictures, sharing them, editing them, and managing them from their saved location on your computer. It can run on the Windows Operating system. It is a Microsoft Windows tool designed for photo editing and managing. The first alternative on our list is Microsoft Office Picture Manager. Now it is time to tell you about alternative software of Pixlr so that you can know some other online photo editing software. These are some essential points by going through them, you can get enough information about Autodesk Pixlr. The new version includes other photo editing tools and features such as the Brushes tool, an Animation feature, Heals tool, Batch upload, and so on.Now, if I tell you about the supported file formats of Pixlr, it supports several file formats: PNG, JPEG, GIF, PSD, WEBP, and PXZ (its native file format).It is cloud-based software so that we can run it on a web browser, and its latest version was released on April 2021 with the name Pixlr 2021.We can categorize it under Online photo editing tools. One of the good features of this software is that it is available in 29 languages, which makes it accessible to several users. It was initially released in August 2008 with many photo editing features.
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Montego Village features two private parks, and the homeowners association maintains the private streets, parks, and green belts. The two-car garage with remote opener is attached. The interior has been completely re-painted. There is new vinyl plank flooring and new carpeting. This contemporary fireplace is perfect for creating the. There is also a powder room off the family room, and a separate laundry room. A gas log resembles a burning wood but without the mess a wood fire creates, such as ashes and soot. Family Room features a gas fireplace, and sliding door to back patio. Kitchen opens to Breakfast Nook, and to Family Room. Updated kitchen features quartz countertops, new stainless steel appliances. The open two story tiled entry steps down into the two story living room, which flows into the dining room with sliding door to back patio. Two story home with spacious ground floor master suite, and upstairs wing features 2 bedrooms, a full bath and a loft/den/office. Wonderful architectural features include: high ceilings, archways, shelves, niche and more to decorate this house to be your home. A New Home For the New Year! Come Home to Montego Village! Come Home to Del Oro Hills! Come Home to Oceanside! Cozy gas log fireplace in family room. Please drop by our showroom anytime and let us show you what a difference a flame installation can make for your home.A New Price! Now over $60,000 better price. We stand by our products, and we stand by our community. 43.5-in Black Ventless Natural or Liquid Propane Gas Fireplace. That’s why we handle installations and maintenance in-house. 45.88-in Cherry Ventless Liquid Propane Gas Fireplace. We love what we do, and we take pride in doing things right. Make your living room the coziest spot in the house with the addition of a gas fireplace Natural gas log sets and fireplaces. We get to help you set the ambiance for your family’s special moments. Installing flame installations of all types allows us to play a role in your significant family moments. We are part of this community, and we love this business. Our family has been fanning flames for families in Greensboro, Burlington, and Graham for 40 years. Ventless logs produce smaller flames that are typically blueish they can create a beautiful flame but do not produce large fires of flames. These are good options for fireplaces built to be decorative or added after the house was built and therefore don’t have a chimney. Typical by-products that remain are water vapor and carbon dioxide. These logs are designed to achieve a clean, smokeless flame and burn at almost perfect efficiency, so a minimal amount of gas remains after combustion. Vent free or ventless labels are used for gas log sets that don’t require a chimney or venting to operate. However, because these flames are made to work with a chimney, a good amount of heat is lost, making it a less valuable heat source. The fireplace will have a more sleek and contemporary look when you use gas logs for heating your home. These produce the most traditional flame, large and golden, which resembles a traditional wood fire. These gas logs can also be used for indoor and outdoor heating purposes. Vented Gas Log sets are the most popular Gas Logs they are used in existing wood-burning fireplaces with fully operational chimneys and can be used as replacements for wood logs. However, if you’re on the fence about which type of gas logs to get, we can go over your options anytime stop by our showroom and see for yourself. The Flame Company offers many classic and contemporary choices available for you. Once that has been determined, you can make choices based on color, size, texture, and personal taste. The selection process starts with what type of Gas Logs you will need – vented or ventless. Most people don’t give much thought to what kind of logs are best for their fireplace, but there are many options. And we hope he’s enjoying himself at least one last time. Truly, if magic exists, it existed in Prine and in his ability to offer this precise insight into the world.Įven though he’s not with us today, we still just may see him some night with an illegal smile, leaning against a gate. But he’s also a keen-eyed, grinning person who can also show us about ourselves. He’s of the people-fearful of the men in blue, even. With the glinting guitar and Prine’s bouncy, delightful voice, we are introduced to his spirit and his crucible all at once. I chased a rainbow down a one-way street dead endĪnd all my friends turned out to be insurance salesmen Illegal Smile John Prine When I woke up this morning, Cthings were lookin Gbad seems like total silence is the Donly friend I Ghave a bowl of. John Prine Review by William Ruhlmann A revelation upon its release, this album is now a collection of standards: 'Illegal Smile,' 'Hello in There,' 'Sam Stone,' 'Donald and Lydia,' and, of course, 'Angel from Montgomery. Won’t you please tell the man I didn’t kill anyone It don’t cost very much, but it lasts a long while Seem like total silence was the only friend I hadīowl of oatmeal tried to stare me down, and wonĪnd it was twelve o’clock before I realizedĪh, but fortunately I have the key to escape realityĪnd you may see me tonight with an illegal smile When I woke up this morning, things were lookin’ bad Then the first lyric comes in, When I woke up this morning, things were lookin’ bad… Prine continues: But it was such a good anthem for dope smokers that I didn’t want to stop every time I played it and make a disclaimer.”įor the 3:10 song, which opens side one of the 13-track LP, Prine begins with a bright strummed acoustic guitar. It was more about how, ever since I was a child, I had this view of the world where I can find myself smiling at stuff nobody else was smiling at. He notes: the meaning of the song was “not about smokin’ dope. It was more written as a result of his unique way of merely witnessing the world. But it wasn’t written with that intent, he says. In the same liner note essay, Prine talks about how, specifically, “Illegal Smile” has long been considered an anthem for pot smokers. I went straight from playing by myself, still learning how to sing, to playing with Elvis Presley‘s rhythm section.” Heading into recording the album, Prine said in the Great Days: The John Prine Anthology liner notes, “I was terrified. The story of the debut album goes like this: Atlantic’s famous executive, Jerry Wexler, who coined the term “Rhythm & Blues” and was responsible for helping to break acts like the Allman Brothers and Aretha Franklin, signed Prine to a record deal after Wexler saw Prine perform at a Kris Kristofferson show. The first song from his first album that anyone would hear. (The Illinois-born Prine was 73 years old.)įor all intents and purposes, this song was Prine’s introduction to the world. It had a resurgence in 2020 after Prine passed away from COVID-19 complications, peaking at No. Prine, who is recognized today as one of America’s great songwriters, released “Illegal Smile” in October of 1971 on his self-titled debut album on Atlantic Records.
Move color balls, match 5 of the same color, build color lines! You will need your logic and a bit of luck! The rules are simple, but this puzzle game is fun and addictive! Good time killer for all ages. Tired of all-the-same match 3 puzzle games? Try our match 5 Color Lines puzzle game for a change! When there are no more empty places on the board, the game is over.Ĭool themes: Classic, Droids, Hearts, Xmas, Halloweenīonus multi-color ball: you can add it to the line of any color! Your goal is to remove the balls faster than they are appearing. After removing a line no new balls appear. The ball will be moved only if there is a free path on the board.Īfter every turn, 3 new balls appear on the board. Unique and phenomenal logical color lines board game. Tap an empty cell where you are going to move the selected ball. This is a simple yet addictive puzzle game in which the goal is to clear colored lines of balls off the board in order to earn a high score and to take the. 7 colorful fluffy balls called Fuzzies will take you into the unforgettable journey. Nakasalalay sa iyong mga kamay ang unang move bago magkaroon ng panibagong bola sa board. Magsisimula ang laro mula sa random balls na nasa game board. Ang bawat kwadrado ay maaaring maglaman o lagyan ng bolang may iba’t ibang kulay. Tired of those similar boring match 3 games Then try this one Super color line. The multicolor ball can be added to a line of any color. Ang Color Lines Game ay may 81 cells (square) o 9×9 na sukat. Played: 12,101 times from March-31st-2017. You can build horizontal, vertical or diagonal lines. In these games, every area or pixel is numbered, and so are all of the colors. Coloring games online: color by number We also offer a number of 2D and 3D color by number games. Color Lines is the original Russian version of Lines. Have a browse through our coloring games collection and find the images you like best. Players rearrange colored balls in order to create five in a row of the same color. To remove balls, you need to make a line of 5 or more balls of the same color. You can select different brushes and swipe carefully to color within the lines. Your goal is to clear the board from balls. It's a simple, but fun puzzle game of color lines and balls. Color Lines is a classic match 5 puzzle game, where you are building lines with color balls. Color Line belongs to Arcade and it is often associated with Coloring Games and Skill Games. This risk could be handled by observing a number of practical measures explained in this article.Taking the step to take some time off does require courage. In addition, the results show, that some organizational actions designed to implement the marketing concept within the firm may cause negative side effects on the firms's success. This empirical study shows, that together with other orientations of management the market orientation contributes substantially to the firm's success. The importance of the markteting concept for management is the subject of a long-standing controversy. Vorschläge zur Begrenzung dieses Risikos werden ebenfalls unterbreitet. erfolgsbeeinträchtigende Nebenwirkungen hervorrufen können und somit unternehmenspolitisch riskant sind. Zugleich zeigt sich, daß manche organisatorischen Maßnahmen, die der Marktorientierung zur vollen Entfaltung verhelfen sollen. Diese Untersuchung belegt empirisch, daß die Marktorientierung eines Unernehmens im Zusammenwirken mit anderen Faktoren der Unternehmensführung zum Unternehmenserfolg wesentlich beiträgt. (AKP) Read moreĭie unternehmenspolitische Bedeutung des Marketing ist seit langem umstritten. It is concluded that corporate venturing and strategic renewal differ in their reference points of evaluation that determine if the initiative is viewed by managers as a factor in gain enhancement or in loss avoidance, and also due to differences in assessments of risk by entrepreneurs and non-entrepreneurs. two concepts, prospect theory is described, indicating that individuals are usually risk averse when faced with a choice of gains (gain enhancement) and are risk seeking when faced with a choice of losses (loss avoidance).Based on this theory, six propositions are presented. Following a literature review that clarified the distinct differences between the. Corporate venturing and strategic renewal are often cited as the primary components of corporate entrepreneurship.However, no theories have been posited to justify the distinction between the two concepts. It must be avoided that the proven calculation systems of the substitutive health insurance is damaged by politicalĪ theoretical justification for distinguishing between corporate venturing and strategic renewal isprovided. To assure stable premiums and to support the competition in the health market in order to increase the possible schedule ofīenefits. The discussion about the reform of the VVG should be used Of the norms originally being intended with their introduction. Es muss vermieden werden, das bewährte Kalkulationssystem der substitutiven Krankenversicherung um eines politischen FormelkompromissesĪt single regulations of the young §§ 178a - o VVG corrections are indicated that lead back to the actual purpose of regulation Die Diskussion um die Reform des VVG sollte genutzt werden, im Sinne eines Beitrags zur Prämienstabilität und zur Förderungĭes Wettbewerbs im Gesundheitsmarkt den möglichen Leistungskatalog der Krankenversicherung zu erweitern. Normen auf das zurückführen, was mit ihrer Einführung bezweckt wurde. An einzelnen Regelungen der jungen §§ 178a ff VVG sind Korrekturen angezeigt, die den tatsächlichen Regelungsgehalt der Besides the presentation of an implementation concept it is shown that there is no inducement to miscalculate the extent of the individual prospective aging reserve on purpose. The system of individual prospective aging reserve enables the insured persons irrespectively of their individual risk to change their Private Health Insurance. Nach Diskussion der potenziell negativen Höhe sowie des Kollektivcharakters von Alterungsrückstellungen wird aufgezeigt, dass bei unterstelltem rationalen Verhalten der Versicherer und bei wettbewerblicher Marktstruktur keine Anreize bestehen, die Höhe der individuell prospektiven Alterungsrückstellung bewusst falsch zu kalkulieren. Basierend auf der Prämienkalkulation eines Privaten Krankenversicherers wird aufgezeigt, dass sich durch den Wechsel von Versicherten für das potenziell abgebende Versicherungsunternehmen Gewinne realisieren lassen. Durch die vorgestellte Übertragung der individuell prospektiven Alterungsrückstellung wird ein Versicherungswechsel für alle Versicherten - unabhängig ihres Risikotyps und unabhängig davon, ob es sich um Bestands- oder Neukunden handelt - ermöglicht, und somit das zentrale Wettbewerbshindernis zwischen den Privaten Krankenversicherungen beseitigt. They do this using a number of techniques, from topographical surveys and traditional excavation to remote sensing.Īrchaeology can be a slow business but spectacular discoveries are still made on a regular basis: recent highlights include the revelation of the tomb of Ramesses II’s army general and the pyramid of a 13th-Dynasty princess. His tomb was the longest ever constructed in the Valley at more than 137 metres, and beautifully decorated throughout.Įvery year, dozens of archaeological projects are undertaken in Egypt, and they are not solely concerned with pharaohs – they are searching for evidence of how the most ordinary members of society lived too. One of the greatest of all pharaohs, Seti I ruled for between 11 and 15 years, re-established Egypt’s territory in Syria-Palestine and launched massive building projects at sites such as Karnak and Abydos. In any case, they were slowly being swallowed up by the sands, a very modern phase of the history of the site nonetheless becoming a part of its archaeology.īelzoni moved a little farther up the same branch of the Valley, where – at last – he made a discovery of the magnitude he had hoped for: the tomb of Ramesses I’s successor, Seti I. Looking southwards, the Step Pyramid, the world’s first monumental building in stone (and a creation of Imhotep) was very visible – tomb 3518 seems to have been built in precise alignment with it, adding weight to the idea that it might have been Imhotep’s own.Īs I prepared to leave the site, I noticed a series of narrow gauge railway carriages of the kind used by Emery and other archaeologists to carry the debris away from their excavations. The upper reaches of its preserved mudbrick walls emerged from the golden sands, which continued to swirl around them – as if they might swallow the tomb in a moment. Tomb 3518 – around which was found both a seal bearing the name of Imhotep’s king (Djoser) and a number of votive offerings made to a god of medicine and healing, which was probably Imhotep himself – was partly visible. Of the tombs Emery found, number 3508 was invisible, though I was able to get close to its position. To my surprise and delight, the main temple complex of the Sacred Animal Necropolis discovered by Emery remained recognisable from the photos I had seen. Having studied the archaeological maps and modern satellite images at length, I set out across the sands armed with an iPad and iPhone, heading roughly northwest from what remains of Emery’s dig house. In spring 2015, I set off for the plateau to attempt to locate, or at least get close to the site of some of the monuments that have been associated with Imhotep’s tomb. He wanted to find the tomb of Imhotep and had been drawn to the area by a combination of two types of evidence: some very large tombs of Imhotep’s time, and a scatter of ritual deposits indicating much later cultic activity of the kind one would expect around the temple of Imhotep, which texts tell us was in the area. The North Saqqara plateau was extensively excavated by Bryan Emery in the 1960s and early 1970s. Cooney said that she will discuss this topic more in an upcoming book called "Recycling for death" that will be published by American University in Cairo Press.Chris Naunton strides into the desert to find the architect and physician vilified by Hollywood The high priests of Amun, who effectively controlled parts of Egypt during the 21st dynasty, regarded Amenhotep I as an ancestor and may have displayed their affection for the pharaoh by placing this girdle on him, Cooney told Live Science in an email. It's possible that the 21st dynasty priests put the golden girdle on Amenhotep I, said Kara Cooney, an Egyptology professor at UCLA. The golden girdle "may be without direct parallels, but nearly all other royal mummies were completely robbed, so this doesn't mean very much," Dodson said, noting that other royal mummies may have worn similar girdles that were subsequently stolen. "It's all very interesting, but I'm not sure there's anything earth-shattering here," said Aidan Dodson, an Egyptology professor at the University of Bristol in the U.K. Live Science reached out to scholars not involved with the research. "This fact that Amenhotep I's mummy had never been unwrapped in modern times gave us a unique opportunity: not just to study how he had originally been mummified and buried, but also how he had been treated and reburied twice, centuries after his death, by High Priests of Amun," Saleem said. Most pharaonic mummies have been physically unwrapped or extensively studied using CT scans, the researchers said, noting that Amenhotep I was one of the few royal mummies that had not been examined in detail. Why were the ancient Egyptians obsessed with cats? In photos: A look inside an Egyptian mummy 3 Egyptian mummy faces revealed in stunning reconstruction In North America, fennel may be found growing in the same habitat and alongside natives osha ( Ligusticum porteri) and Lomatium species, useful medicinal relatives in the parsley family. Other species of the genus Ferula are also called giant fennel, but they are not culinary herbs. Giant fennel ( Ferula communis) is a large, coarse plant with a pungent aroma, which grows wild in the Mediterranean region and is only occasionally grown in gardens elsewhere. The superficial similarity in appearance between these seeds may have led to a sharing of names and etymology, as in the case of meridian fennel, a term for caraway. Dill has thread-like, feathery leaves and yellow flowers coriander and caraway have white flowers and finely divided leaves (though not as fine as dill or fennel) and are also shorter-lived (being annual or biennial plants). ĭill, coriander, ajwain, and caraway are similar-looking herbs but shorter-growing than fennel, reaching only 40–60 cm (16–24 in). Some plants in the Apiaceae family are poisonous and often difficult to identify. JSTOR ( June 2021) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This section needs additional citations for verification. Since the seed in the fruit is attached to the pericarp, the whole fruit is often mistakenly called "seed." The fruit is a dry schizocarp from 4–10 mm ( 3⁄ 16– 3⁄ 8 in) long, half as wide or less, and grooved. The flowers are produced in terminal compound umbels 5–17.5 cm (2–7 in) wide, each umbel section having 20–50 tiny yellow flowers on short pedicels. Its leaves are similar to those of dill, but thinner. The leaves grow up to 40 centimetres (16 inches) long they are finely dissected, with the ultimate segments filiform (threadlike), about 0.5 millimetres ( 1⁄ 64 in) wide. Its stem is erect, glaucous green, and grows to heights of up to 2.5 metres (8 feet), with hollow stems. Florence fennel or finocchio ( UK: / f ɪ ˈ n ɒ k i oʊ/, US: /- ˈ n oʊ k-/, Italian: ) is a selection with a swollen, bulb-like stem base that is used as a vegetable.įoeniculum vulgare is a perennial herb. It is a highly flavorful herb used in cooking and, along with the similar-tasting anise, is one of the primary ingredients of absinthe. It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea-coast and on riverbanks. It is a hardy, perennial herb with yellow flowers and feathery leaves. Without proper rendering support, you may see question marks, boxes, or other symbols.įennel ( Foeniculum vulgare) is a flowering plant species in the carrot family. This article contains special characters. Built-in web-browser can display live web pages.Ĭheck out the new X-keys controller for Wirecast Mac or Windows. Automatically detect NDI and Syphon sources. Use Wirecast Go (iOS only) to bring in live mobile video from any Wi-Fi or LTE (cellular) connection.Ĭapture a variety of IP sources or anything on your computer screen or other computers. Mix up to 8 independent audio tracks, and add FX and processing. Multi-channel audio ingest, support for ASIO, WASAPI and CoreAudio compatible devices. Wirecast has professional features let your live viewers follow the action in the moment, and never miss an important play. Display Facebook comments in animated titles using NewBlue Titler Live Express or NewBlue Titler Live Social. NewBlue Titler Live, free with Wirecast, is the best way to display animated graphics and titles with Wirecast.īuilt in Twitter comment curation and display. Send guests a link to join your live broadcast. Rendezvous peer-to-peer conferencing comes built-in to Wirecast. See a full list of compatible third-party capture devices. Great for archiving or off-line editing, record MP4 or MOV files to any drive.Ĭameras, microphones, webcams, IP cams, capture cards, and more. Stream to Facebook Live, Twitter, YouTube, Vimeo Live, or ANY RTMP destination. Move, drag, and resize sources and stack them in any order so you can get the look you want. I cannot change the output volume on anything that changes the windows volume sliders. Mix and swap video and audio shots with the click of a mouse. 1 Windows volume controls not working when using Broadcasting dressiknights 5mo When I have NVIDIA broadcasting selected as the output sound device, the Windows volume controls do not work. Engage real-time with customers, fans and prospects using Wirecast's native integrations with Facebook Live, Twitter, Periscope, YouTube and more. Wirecast is the perfect live video marketing tool. Stream your programming to OTT and social platforms or augment your premium content with second-screen live and interactive offerings. Wirecast provides everything you need to stream professional live events.Ĭapture the action! Use Wirecast's professional features like clocks, scoreboards and instant Replay to bring your audience to the game. Live stream conferences, concerts, interviews and more. Wirecast is used at every level of education.Įngage and expand your remote congregation with live streams of your services and events. Live stream graduations, award ceremonies, student news and sports, guest lectures, and classroom lessons to your community. Wirecast makes it easy to stream amazing-looking live and pre-recorded video to Facebook Live, YouTube, Twitter, Periscope and more. Go live with just your webcam or connect multiple cameras, scoreboards, graphics and remote guests. What are you waiting for? Communicate your message to the world with Wirecast, the award-winning video production software. ✔Supported OS: Windows 11 / Windows 10 / Windows 8.Windows 圆4 | Languages: Multilingual | File Size: 248.35 MBĮasily stream professional-looking video with Wirecast. System Requirements and Technical Details ✔ Capture a variety of IP sources or anything on your computer screen or other computers. ✔ Mix and swap video and audio shots with the click of a mouse. ✔ Built in Twitter comment curation and display. ✔ Cameras, microphones, webcams, IP cams, or use our free wireless camera app for iOS ✔ Check out the new X-keys controller for Wirecast Mac or Windows. ✔ Multi-channel audio ingest, support for ASIO, WASAPI and CoreAudio compatible devices. ✔ Rendezvous peer-to-peer conferencing comes built-in to Wirecast. ✔Stream to Facebook Live, Twitter, YouTube, Vimeo Live, or ANY RTMP destination. Telestream Wirecast Pro 14.2.1 Multilingual. Once registered and logged in, you will be able to create topics, post replies to existing threads. Join us now to get access to all our features. Wirecast Pro has the necessary features to bring your video to your audience, whether the main focus is for education, house of worship, live events, sports, broadcast TV, or social media. Welcome to Mobilarian Forum - Official Symbianize forum. Wirecast Pro can switch, record, and live stream video for professional quality results on nearly any platform to support a theoretically unlimited number of video inputs. With the Telestream Wirecast Pro software, you can record, stream, and produce live video content with your Windows PC. Perfect for live streams, webinars, webcasts, sports, church services, education or training videos, and more. Turn your laptop or computer into a television studio with Wirecast - the most popular award-winning video production software for Mac and Windows. Wirecast makes it easy to stream amazing-looking live and pre-recorded videos to Facebook Live, YouTube, Twitter, Periscope, and more.Įasily stream and produce a professional video. Telestream WireCast Pro 14 full version for Windows PC and go live with just your webcam or connect multiple cameras, scoreboards, graphics, and remote guests. We discussed previously that when an object rests on a horizontal surface, there is a normal force supporting it equal in magnitude to its weight. The coefficient of friction is unitless and is a number usually between 0 and 1.0, but there is no theoretical upper limit to its value. If the floor were lubricated, both coefficients would be much smaller than they would be without lubrication. Would keep it moving at a constant speed. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.į k = μ k N = ( 0.30 ) ( 980 N) = 290 N f k = μ k N = ( 0.30 ) ( 980 N) = 290 N So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. Magnifying these surfaces shows that they are rough on the microscopic level. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.įigure 5.33 shows how friction occurs at the interface between two objects. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. This means that the static friction responds to what you do-it increases to be equal to and in the opposite direction of your push. You may push harder and harder on the crate and not move it at all. Imagine, for example, trying to slide a heavy crate across a concrete floor. Look at the table of static and kinetic friction and ask students to guess which other systems would have higher or lower coefficients. Explain the concept of coefficient of friction and what the number would imply in practical terms. Ask students which one they think would be greater for two given surfaces. Start a discussion about the two kinds of friction: static and kinetic. |
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