A weightless string passes through a slit over a pulley. The slit offers frictional force/to the string. The string carries two weights having masses m 1 and m 2 where m 2 >m 1 , then acceleration of the weights is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Here m 2 g – T 2 = m 2 a, …………. (i)
and T 1 – m 1 g = m 1 a ……….. (ii)
Also (T 1 + f) – T 2 = 0 ……… (iii)
( Q tension below the slit is T 2 and above the slit is T 1 ).
Solving the above equations, a = 
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