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Work Done When Force Is Varying

A force that ...

Question

A force that object A exerts on object B is observed over a 10 second interval,as shown on the graph.How much work did object A do during that 10 s?

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Solution

Work done by the force taht object A exerts , $W = Area Under F-x curve = \frac{1}{2} \times 5 \times 10 = 25 J$

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