Give two necessary condition without which work is not sad to be done in science
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1. work done produces no displacement in direction of force applied
2. force and displacement are perpendicular to each other
cosA=cos90°=0 ⚀
work done (W)=force(F) ×displacement(D)cosA
W=F×S×0 [from ⚀ ]
W=0 [anything multiplied by 0 is 0]
2. force and displacement are perpendicular to each other
cosA=cos90°=0 ⚀
work done (W)=force(F) ×displacement(D)cosA
W=F×S×0 [from ⚀ ]
W=0 [anything multiplied by 0 is 0]
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