Q. 553.8( 17 Votes )

A body is moving along a circular path of a radius R. What will be the distance travelled and displacement of the body when it completes half a revolution?

Answer :

When the body is completing half a revolution of a circular path of radius r then the:-

Distance traveled in half a rotation of a circular path is equal to the circumference of semi-circle=

Displacement is known as the shortest distance between two points,
as we can see the figure the shortest distance between point A and point B is along the diameter of the circle thus displacement is  2r

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