Anderson Video - Pulley with Two Masses A block is lifted using a pulley system as shown. The acceleration of the block is 3.0 m/s², the applied force is 50 N. Find the mass m of the block, assuming the pulleys are massless and frictionless. F Express your answer with the appropriate units. TP1 m PA 8 of 23

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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!