(C).
- Sourup Nag egulo class 11er jonno re :P
- Akash Anand Good work ..but this is for the class-11 students, you better try it but don't give the solution.
- Himanshu Giria plz show the solution
- Himanshu Giria pLZ show the working
(A) fa = fb
For first pulley
2mg-T = 2ma1...............(1)
T-mg = ma1
a1= g/3
For second pulley
2mg-mg = ma2
mg = ma2...................(2)
a2 = g
therefore a1=a2/3 or
fa = fb/3
(C).