Physics, 22.09.2021 20:30, mayhy100

4. A labourer on a building site is heavy concrete blocks onto a lorry. ughter blocks are now lifted the same distance in the same time
What happens to the work done in lifting each block and the power exerted by the labourer?

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4. A labourer on a building site is heavy concrete blocks onto a lorry. ughter blocks are now lift...