A mass m hangs with the help of a string wrapped around a pulley on a frictionless bearing. The pulley has mass m and radius R. Assuming pulley to be a perfect uniform circular disc, the acceleration of the mass m, if the string does not slip on the pulley, is :
A
B
g
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
mg – T = ma
TR = 
T = 
= 
mg – 
= ma
= mg
a = 
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