A force P pulls on a crate of mass m on a rough horizontal surface. The figure shows the magnitudes and directions of the forces that act on the crate in this situation. W represents the weight of the crate. FN represents the normal force on the crate, and the f stands for the frictional force. The drawing is not to scale.
A force P pulls on a crate of mass m on a rough horizontal surface. The figure shows the magnitudes and directions of the forces that act on the crate in this situation. W represents the weight of the crate. FN represents the normal force on the crate, and the f stands for the frictional force. The drawing is not to scale.
Which statement best describes the motion of the crate?
A)the crate must be at rest
B) the crate must be moving at a constant velocity
C)the crate must be moving with a constant acceleration
D)the crate may be either at rest or moving with a constant velocity
E)the crate may be either at rest of moving with a constant acceleration
What is the magnitude of the normal force on the crate?
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