Question

2. Consider the situation shown in figure. The wall is smooth but the surface of A and B i contact are rough. The friction on B due to A in equilibrium
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Answer 1

Explanation:

Consider the situation shown in figure The wall is smooth but the surface of A and B in contact are rough. The friction on B due to A in equilibrium-

(a) is upward

(b) is downward

(c) is zero

(d) the system can't remain in equilibrium

A

only a

B

only b

C

only d

D

c and d both