Question:
Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of $10 \mathrm{~m} \mathrm{~s}^{-1}$. It implies that the boy is
(a) at rest
(b) moving with no acceleration
(c) in accelerated motion
(d) moving with uniform velocity.
Solution:
(c) Explanation: Velocity of the boy changes continuously due to the change in direction of motion in circular path,