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The system shown in figure is released f...

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?

A

120J

B

480 J

C

96 J

D

190 J

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • System shown in figure is released from rest. Pulley and spring are massless and friction is absent every where. The speed of 5 kg block when 2 block leaves a contact with ground is [k=40N/m"and" g=10ms^(-2)]

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