If, in Q.19, coefficient of friction between `m_(1)` and the wall is `mu`,and `f_(1)` and `f_(2)` are respectively, the force of friction on `m_(1)` and `m_(2)`, then :A. `f_(1)` and `f_(2)` both are downward.B. `f_(1)` and `f_(2)` both are downward.C. `f_(1)` is upward and `f_(2)` upward.D. `f_(1)` is downward and `f_(2)` upward.

If, in Q.19, coefficient of friction between `m_(1)` and the wall is `

1.	If, in Q.19, coefficient of friction between `m_(1)` and the wall is `mu`,and `f_(1)` and `f_(2)` are respectively, the force of friction on `m_(1)` and `m_(2)`, then :A. `f_(1)` and `f_(2)` both are downward.B. `f_(1)` and `f_(2)` both are downward.C. `f_(1)` is upward and `f_(2)` upward.D. `f_(1)` is downward and `f_(2)` upward.
Answer» Correct Answer - B In upward direction .

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