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Assertion: Two blocks of masses m(A) and...

Assertion: Two blocks of masses `m_(A)` and `m_(B)` `(gtm_(A)` are thrown towards each other with same speed over a rough ground. The coefficient of friction of both the blocks with ground is same. Initial velocity of CM is towards left.

Reason: Initial acceleration of center of mass is towards right.

A

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
`v_(CM) = (m_(A)(+v) + m_(B)(-v))/(m_(A) + m_(B)) = -ve`
Both A and B will have same acceleration (ug) on A towsards left and on B towards right. Since, B have more mass so acceleration of CM will be towards right.
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