For the situation shown in the figure, в A 7 kg F=100 N 3 kg smooth (a) Draw the free body diagrams of A and B. (b) Solve the acceleration of the blocks A and B? (c) Solve the magnitude of force applied by A on B.

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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!