Work Energy And Power Energy Concepts Worksheet Answers 2 Worksheet Work energy and power QUESTION 1 1 1 A girl with mass 60 kg slides 3 m down an inclined plane as shown in the picture a Calculate the work done on the girl by gravity b Calculate the work done on the girl by the normal force 1 2 A block 5 kg is pulled by a force of 60 N at an angle of 30 to the ground The block moves 3 25
To identify the two forms of mechanical energy to distinguish between mechanical and non mechanical energy to describe the relationship between mechanical energy and work and to relate the total mechanical energy TME to the amounts of kinetic energy KE and potential energy PE You can download your questions to work on them offline Come back to view the answers and mark your own work
Work Energy And Power Energy Concepts Worksheet Answers
Work Energy And Power Energy Concepts Worksheet Answers
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Work Energy and Power Study Notes Worksheets with Answers PDF Individual Study Notes and Summary Revision Notes for IB Physics HL SL
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Work Energy And Power Energy Concepts Worksheet Answers
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Answer A B C F Joule b N x m c Foot x pound d kg x m sec kg x m sec2 f kg x m2 sec2 The amount of work W done on an object by a given force can be calculated using the formula W F d cos where F is the force and d is the distance over which the force acts and is the angle between F and d
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1 PF1 5 WORK ENERGY AND POWER Energy exists in many different forms eg kinetic energy Ek potential energy Ug electrical energy and elastic or spring energy Es A fundamental principle of nature is that energy cannot be created or destroyed only transformed or transferred Kinetic Energy KE
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Section Key Terms The Work Energy Theorem In physics the term work has a very specific definition Work is application of force f f to move an object over a distance d in the direction that the force is applied Work W is described by the equation W fd W f d
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We have 20 ready to use problem sets on the topic of Work Energy and Power These problem sets focus on the use of energy principles to mathematically analyze systems involving the motion of objects Click a link to open a publicly available problem set
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Problem 1 Renatta Gass is out with her friends Misfortune occurs and Renatta and her friends find themselves getting a work out They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station Determine the work done on the car Audio Guided Solution Show Answer Problem 2
It is defined as The power of a body is one watt if it does work at the rate of 1 joule per second 1 J s 1 Sometimes for example in the electrical measurements the unit of work is expressed as watt second However a commercial Work Energy and Power are fundamental concepts of Physics Work is said to be done when a force push or pull applied to an object causes a displacement of the object We define the capacity to do the work as energy Power is the work done per unit of time This article discusses work energy and power in detail Table of Contents What is Work
Important Work Energy Power Questions with Answers 1 Name the three central concepts of classical physics Work Energy and Power are the central concepts of classical Physics Work is the displacement of a body when a force pull or push is exerted on it Energy is the capacity to do the work Work done per given time is known as power