Two blocks are connected by a string. The inclination of the ramp is θ, while the masses of the blocks are m1 and m2. Friction is negligible. 1.  Write an equation for the magnitude of the acceleration the two blocks experience. Give your equation in terms of m1, m2, θ, and the acceleration due to gravity g.  2. Write an equation for the tension in the string in terms of m1, the acceleration due to gravity g, and the acceleration of the two blocks a.

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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!