1.

Why the work of uniform circular moving object is zero?​

Answer»

Work done is equal to Force (ACTING in the DIRECTION of displacement) times the displacement i.e. W=F.S where (.) is dot product. ... Scos(θ), since BODY is moving in CIRCULAR track cos(θ)=0 , and hence whole term will be 0 i.e. Work done will be 0.

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