Multiple Choice
As shown in the figure,a woman is straining to lift a large crate,but without success because it is too heavy.We denote the forces on the crate as follows: P is the magnitude of the upward force being exerted on the crate by the person,C is the magnitude of the vertical contact force on the crate by the floor,and W is the weight of the crate.How are the magnitudes of these forces related while the person is trying unsuccessfully to lift the crate?
A) P + C = W
B) P + C < W
C) P + C > W
D) P = C
Correct Answer:

Verified
Correct Answer:
Verified
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