Take a table tennis ball, and keep it on the surface of a table. Push the ball with your finger and observe its motion Is it in Rotatory motion or in Translatory motion?
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When you push the ball on the surface of a table, it moves from one end to the other end and all the particles of the ball also move along the direction of motion of the ball. Hence the ball is in translatory motion. Similarly, each
particle of the ball moves in a circular path about a particular line, when the ball rolls on the surface. Therefore it is in rotatory motion. Thus in the above example the ball possesses both translatory and rotatory motion.
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The ball is in translatory motion.
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