6. Two blocks of masses m-4kg and m2-3kg are placed in contact with each other on a frictionless horizontal surface. A constant horizontal force F-35N is applied to the block of mass mi. (a) Determine the magnitude of the acceleration of the two-block system. (b) Determine the magnitude of the contact force between the two blocks. m2

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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!