In the pulley-block system shown in figure, strings are light. Pulleys are massless and smooth.

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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`.
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Isn't 2g/3 divided by 2 supposed to be 2g/6?

brahmi