The system shown in figure is released from rest. String is massless, and pulley is smooth. Find work done by gravity on 4kg block and workdone by the string on 1 kg block in 2 seconds?

The system shown in figure is released from rest. String is massless,

1.	The system shown in figure is released from rest. String is massless, and pulley is smooth. Find work done by gravity on 4kg block and workdone by the string on 1 kg block in 2 seconds?
Answer» 240J, -192 J 120, 96J 480J 192 J 480J, -96 J Answer :C