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In case of pulling & pushing minimum for...

In case of pulling & pushing minimum forces required `(w sin alpha)/(cos(theta-alpha))` & `(w sin alpha)/(cos(theta + alpha))` then acceleration are

A

`a=g, a=g//mu`

B

`a=0, a=0`

C

`a=g//mu, a=mu g`

D

none

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The correct Answer is:
B
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
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