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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. upwardB. downwardC. zeroD. the system cannot remain in equilibrium |
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Answer» Correct Answer - B `a_(1)=g//1" "a_(2)=g//3" "a_(3)=g//2` |
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