71Ajoy.. try these sums again with cool mind and after a quick revision. You can definitely do it.
4 Answers
1i think for the 1 st question answer is 5g/3 and 0.....????{1 st part nly}
71
11st sum too easy
1st there will be no rel acc between m3 and m4 (obviously)
now
T-2g=4a (assuming acc of m2=a then the acc of m1/m3/m4=2a)
2t-3g=3a
g-t/2=2a
solving it we get
a=-3g/11(acc of m2)
and a=-6g/11 acc(ofm1/m3/m4/p4)
therefore
here - means m3 and m4 will move in the upward direction