A system consists of three masses 
and 
connected by a string passing over a pulley P. The mass 
hangs freely and 
and 
are on a rough horizontal table (the coefficient of friction 
. The pulley is frictionless and of negligible mass. The downward acceleration of mass 
is 
Assume 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Force of friction on mass 
Force of friction on mass 
Let 
be common acceleration of the system.
Here, 
Hence, the downward acceleration of mass 
is
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