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What will be the work done by the string when a stone is tied to a string and whirled in a circle ? |
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Answer» ong>Answer: The WORK done by the STRING will be zero because,thef orce (CENTRIPETAL) and the displacement are perpendicular to each other. W=F.S.COS theta W=F.S cos 90° cos 90°= 0 therefore,W=0. |
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