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Consider the system shown in the figure....

Consider the system shown in the figure. The wall is smmoth, but the surfaces of blocks A and B in contact are rough. The friction on B due to A in equilibrium is

A

upward

B

downward

C

zero

D

the system cannot remain in equilibrium

Text Solution

Verified by Experts

The correct Answer is:
B
`a_(1)=g//1" "a_(2)=g//3" "a_(3)=g//2`
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