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Two identical blocks are placed over a r...

Two identical blocks are placed over a rought inclined plane. One block is given an upward velocity to the block and the other is doenward direction. If `mu = (1)/(3)` and `theta = 45^(@)` the ratio of magnitudes of acceleration of two is `2:1`
The desired ratio is `(1 + mu)/(1 - mu)`

A

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

B

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

C

If Assertion is true, but the Reason is false.

D

If Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
`a_(1) = g sin theta + mu g cos theta`
`a_(2) = g sin theta - mu g cos theta`

:. `(a_(1))/(a_(2)) = (1 + mu)/(1 - mu)` for `theta = 45^(@)`
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