All surface are frictionless and pulley & strings are light. Acceleration of block of mass 'm' is -
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let a, acceleration of block of mass m
m :
T = ma … (i)
4m :
4mg – 2T = 4m. 
… (ii)
a = 
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