A)
B)
C)
D)
Correct Answer: A
Solution :
[a] First increasing state friction acts \[{{f}_{s}}=m.a=\frac{m\times F}{m+M}\Rightarrow a=\frac{\alpha t}{m+M}\] then \[{{f}_{K}}=\mu mg=ma\] \[a=\mu g\]
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