consider a system of masses M1 and M2 (M1 > M2) connected by a massless string. In Figure (A), the system is pulled by a force F from the side of mass M1 and in Figure (B), the system is pulled by the same force F from the side of mass M2, then:
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a
acceleration in the two cases is same and tension in the string connecting M1 and M2 is also same
b
acceleration of system in (A) is more than in (B) while tension in the string is same in both cases
c
acceleration of system in both cases is same but tension in the string in (A) is more than in (B)
d
acceleration of system in both cases is same but tension in the string in (A) is less than in (B)
answer is D.
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Detailed Solution
In both cases, acceleration a=FM1+M2In (A), TA=M2a=M2FM1+M2In(B), TB=M1a=M1FM1+M2