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Includes topics such as heat energy, conservative versus non-conservative forces, and cases that may require basic calculus. Features multiple-choice questions and free-response problems using friction, springs, potential energy graphs, roller-coaster loop dynamics, and braking via a differential-equation approach, concluding with particle motion on a U versus x curve.",{"@graph":69,"@context":115},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/ap-physics-practice-test-work-energy-conservation-of-energy/434168/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/ap-physics-practice-test-work-energy-conservation-of-energy/434168.png","ImageObject",300,407,{"name":92,"@type":93},"Stanley","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-24","2026-09-29",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",13,{"@type":107,"mainEntity":108},"FAQPage",[109],{"name":110,"@type":111,"acceptedAnswer":112},"What kind of modeling is required in the roller-coaster braking problem?","Question",{"text":113,"@type":114},"After finding velocities through the loop, it introduces a braking force Fbraking = −kv and asks first for a differential equation, then for solving it using definite integrals to obtain velocity as a function of time.","Answer","https://schema.org",{"og:url":83,"og:type":117,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":119,"canonical":83},"index,follow",{"doc_id":121,"site_id":62},434168,1790966282,{"code":4,"msg":5,"data":124},{"doc_id":121,"user_id":125,"nickname":92,"user_avatar":126,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":127,"file_id":128,"file_url":129,"file_type":130,"file_size":131,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":132,"language":133,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":134,"faqs":135,"seo_title":136,"seo_description":67,"update_tm":137,"read_time":138},2336477405376,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","AP Physics Practice Test:  \nWork, Energy, Conservation of Energy  \nThis test covers Work, mechanical energy, kinetic energy, potential energy (gravitational and elastic), Hooke’s Law, Conservation of Energy, heat energy, conservative and non-conservative forces, with some problems requiring a knowledge of basic calculus.  \nPart I. Multiple Choice  \nF  \n1. A force Fis exerted at an angle Ø on a box of mass m as it is dragged across the floor at constant velocity. If the box travels a distance x, then the work done by the force F on the box is  \na. Fx  \nb. Fx cos Ø  \nc. mgx cos Ø  \nd. Fx sin Ø  \ne. Fx tan Ø  \n2. A block of wood, initially moving along a rough surface, is pushed with an applied horizontal force Fapplied that is less than the friction force Ffriction. Which of the following statements is false?  \na. The Work being done by the applied force is negative.  \nb. The net Work being done on the block is negative.  \nc. The block is slowing down.  \nd. The net Work being done on the box decreases its kinetic energy K.  \ne. There is an increase in internal energy due to friction.  \n3. A 300-Watt electric wheelchair has a mass of 50kg, and carries its 50kg occupant at constant velocity up along ramp. About how much time does it take the wheelchair to reach the top of the 10-meter high ramp?  \na. 3 s  \nb. 17 s  \nc. 10 s  \nd. 333 s  \ne. 33 s  \nAP Physics Practice Test:  \n Work, Energy, Conservation of Energy  \nU(r)  \n3U0  \n2U0  \nU0  \n0 r  \nr0 2r0 3r0 4r0  \n4. The graph above represents the potential energy U as a function of position r for a particle of mass m. If the particle is released from rest at position ro, what will its speed be at position 3r0?  \na.  \nb.  \nc.  \nd.  \ne. The particle will never reach position 3r0.  \n5. The behavior of a non-linear spring is described by the relationship F = −2kx3 , where x is the displacement from the equlibrium position and Fis the force exerted by the spring. How much potential energy is stored in the spring when it is displaced a distance x from equilibrium?  \na. ~~ ~~12 kx 4  \nb. 6kx2  \nc. ~~ ~~13 kx 4  \n1 3  \nd.  3 kx  \ne. ~~ ~~23 kx 2  \nAP Physics Practice Test:  \n Work, Energy, Conservation of Energy  \nPart II. Free Response  \nm  \nanchor  \nd 2d  \n0  \nm  \nanchor  \n0 d 2d  \n6. A block of mass m rests on a rough surface, and has a light spring of spring constant k and unstretched length d attached to one side as shown, with the other end of the spring attached to an anchor. There is a static coefficient of friction µs between the surface and the block, and when the block is placed to the right at position 2d, it remains stationary on the surface. Express answers in terms of m, k, d, and fundamental constants.  \na. Draw a free-body diagram of the block at the time when it is located at position 2d.  \nb. Determine the friction force acting on the block when it is located at position 2d.  \nAP Physics Practice Test:  \n Work, Energy, Conservation of Energy  \nm  \nanchor  \n0 d 2d 3d  \nc. The block is now moved to position 3d and released, where it remains at rest. When the block is moved slightly past this position, the block begins to slide along the surface with a kinetic coefficient of friction µk .  \ni. In terms of the variables given, what is the value of µs?  \nii. How much potential energy is stored in the mass-spring system just before the block begins to move?  \niii. The block slides a total distance of d before coming to a halt again. Determine the coefficient of kinetic friction µk .  \nAP Physics Practice Test:  \n Work, Energy, Conservation of Energy  \niv. At what position does the block have its maximum velocity as it slides?  \nv. What is the maximum velocity of the block as it slides?  \nAP Physics Practice Test:  \n Work, Energy, Conservation of Energy  \nA  \nC  \nE  \nB  \n7. A roller coaster car of mass m = 200 kg is released from rest at the top of a 60 m high hill (position A), and rolls with negligible friction down the hill, through a circular loop of radius 20 m (positions B, ","cbCaibkDhuZK4mLY","https://ap.wps.com/l/cbCaibkDhuZK4mLY","pdf",3559687,15,"English","# Part I. Multiple Choice\n## Work and energy concepts\n## Springs and potential energy\n# Part II. Free Response\n## Static and kinetic friction with a spring\n## Roller coaster loop and braking differential equation\n## Motion on a potential energy curve","[{\"question\":\"What kind of modeling is required in the roller-coaster braking problem?\",\"answer\":\"After finding velocities through the loop, it introduces a braking force Fbraking = −kv and asks first for a differential equation, then for solving it using definite integrals to obtain velocity as a function of time.\"}]","AP Physics Practice Test - Work, Energy, Conservation of Energy | PDF",1790667368,38]