2. Three blocks are connected as shown below. Two of the masses are hung over the edge of a table using massless pulleys. Assuming M3 > M2 > M1, determine the acceleration of the block labeled M2 in the system below. m3

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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!