Which of the following statements describing forces is NOT TRUE?         A net force causes objects to accelerate.       Balanced force cause objects to remain at rest or move at constant velocity.       Unbalanced force can cause objects to objects to accelerate.       Forces always cause objects to move.

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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!