Which is the following is true about the action and Reaction Force referred in Newton's third law of motion 1.They have equal magnitude but directed in opposite direction 2.They act on the same object simultaneously 3.they act on difference bodies 4.they act simultaneously Choice: A.)1,2 B.)3,4 C.)1,3, D.)1,2,3,4 Explain? 1

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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!