Problem a 100 kg crate is being pulled across a horizontal, Ask an Expert

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Problem: A 100 kg crate is being pulled across a horizontal floor by a force P that makes an angle of 30.0 degrees above the horizontal. The coefficient of kinetic friction is 0.120.

Part A: What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?

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