Multiple choice

When a body moves with a constant speed along a circle, then

  1. no work is done

  2. no acceleration is produced in the body

  3. no force acts on the body

  4. its velocity remains constant
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Since force and displacement vector are perpendicular to each other when a body is moving in a circular path, so work done is 0 since we know that work done is the dot product of force applied and displacement of the particle.

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