The mass m1 is free to rotate on a frictionless table. Mass m1 rotates at a constant speed in a circle of radius r and is connected by a string through a hole in the table to a hanging mass m2 . Mass m2 is at rest. a. Draw and label a free-body diagram for the each of the two masses. You should have two separate free-body diagrams and clearly distinguish to which mass each applies. b. Using variables, write Newton’s 2nd law in the x- and y- direction for mass m1.

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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!