Which of the following statements are true about a massless rope 1With a massless rope, the tension at the end of the rope is larger than the tension in the center of the rope. 2With a massless rope, the tension in the center of the rope is larger than the tension at the ends of the rope. 3With a massless rope, the tension at one end of a rope can be different than the tension at the other end of the rope. 4With a massless rope, the tension in the center of the rope is the same as the tension at the end of the rope.

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Q: normal force

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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!