Question

What is the work done on object moves on a circular path and write SI unit of work.

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Answer 1

Dear Student,

The force and displacement are perpendicular to each other in case of circular motion. The force is along the radius and displacement is along the tangent which are perpendicular to each other. The vector product of perpendicular are always zero.
Therefore the work done in circular motion is zero.
Unit of work- Joule.

Regards.