A person sitting firmly over a rotating stool has his arms folded with two identical balls

zero, because Work done by any body in force applied multiplied by displacement, Here. Person sitting on Rotating table no displacement so work done is zero. hence W=f.ds W.F .0=0

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Starting from rest, a 10 kg object is acted upon by only one dimensional force as indicated in the figure. Then the total work done by the force is, (1) 90J (2) 125 J (3) 245 J (4) 490 J

Tardigrade - CET NEET JEE Exam App