In figure coefficient of friction between $$m1$$ and $$m2$$ is μ and that between $$m1$$ and the wall is zero. A force F is pressing the system against the wall. Minimum value of force required to hold the system in equilibrium if coefficient of friction between $$m1$$ and the wall is μ, and, $$f1$$ and $$f2$$ are, respectively, the force of friction on $$m1$$ and $$m2$$,then:

Question

In figure coefficient of friction between $$m1$$ and $$m2$$ is μ and that between $$m1$$ and the wall is zero. A force F is pressing the system against the wall. Minimum value of force required to hold the system in equilibrium if coefficient of friction between $$m1$$ and the wall is μ, and, $$f1$$ and $$f2$$ are, respectively, the force of friction on $$m1$$ and $$m2$$,then:

Infinity Learn · Accepted Answer

$$f1$$ and $$f2$$ must act upward to balance weight of blocks.

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