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The work done by a force acting on a body is the product of the force and the distance moved by its point of application in the direction of the force. If a force F acts in such a way that the displacement s is in a direction that makes an angle θ with the direction of the force, the work done is given by: W = F.scosθ. Work is the scalar product of the force and displacement vectors. It is measured in joules.

Subjects: Chemistry.

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