Q. 145.0( 1 Vote )
Define center of mas
A point in a body where the whole mass of the body is assumed to be concentrated, is called center of mass. On the surface of the earth, or near it, where the force of gravity is constant, the center of mass also becomes the point where the force of gravity on the whole of the body is effectively felt. In this case the center of mass is called center of gravity.
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