Question

A uniform straight long wire of length L is bent in the form of a circle. With the help [2]
of a diagram, show the centre of gravity of the wire , when:
i. it is straight
ii. it is in the form of a circle.

Answer 1

Answer:

when the wire is straight ,centre of gravity lies at half of its length.

when it is bent into a circle , centre of gravity lies at the centre point of the circle.