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In the pulley-block system shown in figu...

In the pulley-block system shown in figure, strings are light. Pulleys are massless and smooth. System is released from rest. In `0.3` seconds.
.
(a) work done on `2 kg` block by gravity is `6 J`
(b) work done one `2 kg` block by string is `-2 J`
( c) work done on `1 kg` block by gravity is `-1.5 J`
(d) work done on `1 kg` block string is `2 J`.

A

work done on 2 kg block by gravity is 6 J

B

work done on 2 kg block by string is `-2 J`

C

work done on 1 kg block by gravity is `1.5 J`

D

work done on 1 kg block by string is 2 J

Text Solution

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The correct Answer is:
A, B, C, D
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