Hello
Centre of mass is the point at which the distribution of mass is equal in all directions, and does not depend on gravitational field. Centre of gravity is the point at which the distribution of weight is equal in all directions, and does depend on gravitational field.
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Question : The point where the total mass of a body is supposed to be concentrated is known as
Option 1: dead centre
Option 2: centre of mass
Option 3: centre of gravity
Option 4: centre of motion
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