Question

Write the equation of work by variable force in one dimension.

Answer 1

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Write the equation of work by variable force in one dimension.

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The work done by a constant force of magnitude F on a point that moves a displacement d in the direction of the force is the product: W = Fd...✍️

Integration approach can be used both to calculate work done by a variable force and work done by a constant force...✍️

In this case, the Pressure (Pressure =Force/Area) is constant and can be taken out of the integral:✍️

Notice that the result is the same as we would have obtained by simply evaluating the product of force and distance...✍️

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