Question

what is the physical quantity which remains constant during a circular motion

Answer 1

Speed

The physical quantity which remains constant in uniform circular motion is Speed. Uniform circular motion means that the body is moving along a circular path with constant speed. At each point, it's direction of motion is tangential to the path. So, the direction of velocity keeps changing.

Answer 2

The physical quantity which remains constant in uniform circular motion is Speed. Uniform circular motion means that the body is moving along a circular path with constant speed. At each point, it's direction of motion is tangential to the path. So, the direction of velocity keeps changing.

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