Question

The system is released from rest. Find 1. Work done by tension on 10 kg​

Answer 1

Answer:

3g−T=32a.....1

T−2g=2a......2

g=5a from 1 and 2

a=52

T=2(g+5g)

T=512g

wd=T.dx

as block state from rest dist covered by block in 1 sec 

S=21×at2=21×59=1m

wd=T,X=12×2×1

=24J