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4-2.Friction
hard
Imagine $a$ situation in which the horizontal surface of block $M_0$ is smooth and its vertical surface is rough with $a$ coefficient of friction $\mu$ Identify the correct statement $(s)$
A
If $F = 0$, the blocks cannot remain stationary
B
For one unique value of $F$, the blocks $M$ and $m$ remain stationary with respect to $M_0$
C
There exist a value of $F$ at which friction force is equal to zero
D
Both $(A)$ and $(C)$
Solution
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Standard 11
Physics
