Question

Which one of the following is most likely not a case of uniform circular motion?

विकल्प

• motion of the earth around the sun

• motion of a toy train on a circular track

• motion of a racing car on a circular track

• motion of hours' hand on the dial of a clock

Answer 1

motion of a racing car on a circular track

For a body to move in uniform circular motion its speed must be constant. So, the answer is
(c) Motion of a racing car in a circular track.
A racing car do not travel at constant speed in a circular track.