A person is straining to lift a large crate, without success because it is too heavy. We denote the forces on the crate as follows: force the person exerts on the crate, normal force exerted on the crate by the floor, and weight force exerted on the crate by the earth.
Required:
How are the magnitudes of these forces related while the person is trying unsuccessfully to lift the crate?
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A person is straining to lift a large crate, without success because it is too heavy. We denote the...
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