Two masses m and M are lying on a surface moving with acceleration a. Only the given supporting and moving surface has coefficient of friction as μ μ . The frictional forces for μ μ >a/gand μ μ <a/gare
Text Solution
Verified by ExpertsThe correct answer is:
B
The maximum force of friction,
f max = μ μ mg
or a max = 
or m = 
.
Taking a less than a max , friction f is also less than f max . Here, if the value of μ μ > a/g then f ≠ ≠ μ μ mg rather f = ma.
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