A box experiencing a gravitational force of 600 cap n is being pulled to the right with force of 250 cap n A 25 cap n frictional force acts on the box as it moves to the right. What is the net force in the y -direction?

The box is moving horizontally, and no vertical motion or acceleration is described. The floor’s upward normal force balances the 600 N gravitational force downward, so the net force in the y-direction is 600 N upward minus 600 N downward, which equals 0 N. The pulling force and friction act horizontally and do not affect the y-direction net force.

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