Which of the following is an example for a force which does work on a – McqOptions

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1.	Which of the following is an example for a force which does work on a body but fails to change its kinetic energy?
A.	A body pulled through a plain surface
B.	A body pulled through a vertical surface
C.	A body pulled through a horizontal surface
D.	A body at rest
Answer» D. A body at rest

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