A ball is travelling with uniform translatory motion. This means that .

Options

A. it is at rest.
B. the path can be a straight line or circular and the ball travels with uniform speed .
C. all parts of the ball have the same velocity (magnitude and direction) and the velocity is constant .
D. the centre of the ball moves with constant velocity and the ball spins about its centre uniformly .

Answer

C

Explanation

In a uniform translatory motion all parts of the ball have the same velocity in magnitude and direaction and this velocity is constant the situation is shown in adjacent diagram where a body A is uniform translatory motion.
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