Question

The centre of mass of an extended body on the surface of the earth and its centre of gravity

• A. Can never be at the same point
• B. Centre of mass coincides with the centre of gravity of a body if the size of the body is negligible as compared to the size (or radius) of the earth
• C. Are always at the same point for any size of the body
• D. Are always at the same point only for spherical bodies

Answer 1

Answer: (B)

Correct answer is (b) Centre of mass coincides with the centre of gravity of a body if the size of the body is negligible as compared to the size (or radius) of the earth