A) \[F\times r\]
B) \[F\times 2\pi r\]
C) \[F\times 2r\]
D) zero
Correct Answer: D
Solution :
Work done \[\vec{W}=\vec{F}.\vec{s}=F\,\,s\,\cos \,\theta \] here \[F\bot s,\] \[\therefore \] \[\theta ={{90}^{o}}\] \[\vec{W}=0\]You need to login to perform this action.
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