7. *C5-45: An object with a mass of 2.00 kg is pushed straight upward by a 25.0 N vertical force. What is its acceleration? Answer: 2.70 m/s² j

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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!