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November 28, 2014

Homework Help: Physics - work done

Posted by Shaila on Wednesday, October 6, 2010 at 6:20am.

A variable force F acts through a displacement d. The magnitude of the force is proportional to the displacement, so F=kd, where k is constant.

a) Sketch a graph of this force against position up to position x.

b) According to the equation, what is the value of the force at x?

c) Determine an expression for the work done by this force in terms of k and x

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