JEE Main Physics question

Statement 1: The centre of mass of a body may lie where there is no mass. Statement 2: Centre of mass of a body is a point, where the whole mass of the body is supposed to be concentrated.

(A)Assertion is True, Reason is True; Reason is the correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is NOT the correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is True

Answer: (A)

Solution

Both statements are true: e.g. for a ring or a horseshoe-shaped body, the CM lies at a point in empty space (no actual mass there) — Statement 1 is true. The CM is defined as the mathematical balance point representing where

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Question ID VK-158683