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A 35 kg crate rests on a horizontal floor, and a 65 kg person is standing on the crate. What is the magnitude of the normal force that the floor exerts on the crate and the crate exerts on the person?

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The solution explains how to find the normal foce on the crate and the person in detail.

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a. There are three vertical forces acting on the crate: an upward normal force +FN that ...

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