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Show that the work done by a force is given by theproduct of the force and the component of thedisplacement along the force. |
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Answer» Suppose a forceFacting on a body causes a displacements. The angle between force and displacement isθ.Then,work done by the force is given byW=F.s=Fs cosθor W=F (s cosθ)Where scosθ is the magnitude of projection of displacement s along the forceF. |
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