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Work, Energy and Power :: Discussion

1.	When a body falls freely under gravity, then the work done by the gravity is?
	A.	Positive
	B.	Negative
	C.	Zero
	D.	Infinity

	Answer: Option A


	Explanation:
	If a force acting on a body has a component in the direction of displacement, then the work done by the force is positive. Hence when a body falls freely under the influence of gravity the work done by the gravity is positive.



	Tutorial Link:

Published by:Michael Daani

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