(A) fa = fb
- Asish Mahapatra Check again.Upvote·0· Reply ·2013-06-25 08:57:13
(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).