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

Options

A. it is at rest
B. the path can be straight line or circular and the ball travel 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 move with constant velocity and the ball spins about its centre uniformly

Answer

C

Explanation

( c) In a uniform translatory motion, all parts of the ball have the same velocity in magnitude and direction and this velocity is constant
The situation is shown in adjacent diagram where a body A is in uniform translatory motion.