Block I  and II weigh .260 kilograms each. Block III weighs .010 kilograms. Calculate the magnitude and direction for each question. (F=GMmr2) acting on the .010 kilograms block at point III? (F=GMmr2) acting on the .260 kilograms block at point I? (F=GMmr2) acting on the .260 kilograms block at point II?

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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!