# physics

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A 33.6-kg crate rests on a horizontal floor, and a 64.7-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

• physics -

1. N1=(m(per) +m(cr))g
2. N2=m(per)g

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