# Statement1: The centre of mass of a two particle system lies on the line joining the two particles, being closer to the heavier particle Statement2: Product of mass of one particle and its distance from centre of mass is numerically equal to product of mass of other particle and its distance from centre of mass a) Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 b) Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 c) Statement 1 is True, Statement 2 is False d) Statement 1 is False, Statement 2 is True

## Question ID - 100940 :- Statement1: The centre of mass of a two particle system lies on the line joining the two particles, being closer to the heavier particle Statement2: Product of mass of one particle and its distance from centre of mass is numerically equal to product of mass of other particle and its distance from centre of mass a) Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 b) Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 c) Statement 1 is True, Statement 2 is False d) Statement 1 is False, Statement 2 is True

3537

(a)

If centre of mass of system lies at origin then

Or

It is clear that if  then

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 Statement 1: If the earth shrinks(without change in mass) to half it’s present size, length of the day would become 6 hr Statement 2: As size of earth change, its moment of inertia changes a) Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 b) Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 c) Statement 1 is True, Statement 2 is False d) Statement 1 is False, Statement 2 is True