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MDCAT - Practice Test - Physics - Work and Energy Quiz

Attempt 10 MCQs on MDCAT - Practice Test - Physics - Work and Energy | Quiz 5

41. A spring of constant k is stretched by x. Its potential energy is:



42. If mass is doubled and speed is halved, kinetic energy becomes:



43. What is the rate of doing work?



44. 1 horsepower is equal to how many watts?



45. A force of 50 N acts on a body moving at 2 m/s in the same direction. Find power.



46. What is the work done by centripetal force in uniform circular motion?



47. Which of the following is a conservative force?



48. A body moves with constant velocity under several forces. Net work done is:



49. Can potential energy be negative?



50. What is the kinetic energy of a stationary object?



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