NEET Physics Work,Energy and Power Questions Solved


A body of mass m is moving in a circle of radius r with a constant speed v. The force on the body is mv2r and is directed towards the centre. What is the work done by this force in moving the body over half the circumference of the circle 

(1) mv2r×πr

(2) Zero

(3) mv2r2

(4) πr2mv2

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#3 | Work Done by Variable Force

Concept Questions :-

Work done by variable force
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