Derive an expression for work done by a variable force.
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1
Answer:
Work = P∫ba dV.
Explanation:
Just as you can derive the work for a variable force using calculus, you can do the same for work done by a constant force. In such a calculation, pressure remains unchanged, which is why you can take it out of the equation immediately. Work = P∫ba dV.
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2
Answer:
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.
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