Question

Select One Option Correct from the following :Statement 1: If there is no external torque on a body about its centre of mass, then the velocity of the centre of mass remains constant. Statement 2: The linear momentum of an isolated system remains constant.
(A)Statement 1 is true, statement 2 is true; statement 2 is a correct ex- planation for statement 1.
(B)Statement 1 is true, statement 2 is true; statement 2 is not a correct explanation for statement 1.
(C)Statement 1 is true, statement 2 is false.
(D)Statement 1 is false, statement 2 is true.

Answer 1

d option is correct.
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Answer 2

centre of mass remains constant. Statement 2: The linear momentum of an isolated system remains constant.

(A)Statement 1 is true, statement 2 is true; statement 2 is a correct ex- planation for statement 1.

(B)Statement 1 is true, statement 2 is true; statement 2 is not a correct explanation for statement 1.

(C)Statement 1 is true, statement 2 is false.

✴️ (D)Statement 1 is false, statement 2 is true.