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Question
A sprinter is running along the circumference of a big sports stadium with constant speed. Which of the following do you think is changing in this case?
Options
magnitude of acceleration being produced
distance covered by the sprinter per second
direction in which the sprinter is running
centripetal force acting on the sprinter
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Solution
The sprinter is having a uniform circular motion in which the direction of motion continuously changes. So, the answer is
(c) direction in which sprinter is running
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