How do I solve for the following things in this problem? A force of 75 N is applied to a 13 Kg box sliding across a table where the coefficient of friction is 0.28. -What is the net force acting on the box? -What is the acceleration of the box? -What is the normal force? -What is the force of gravity (weight) on the box?

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!