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A block and tackle systems is used to lift a load of 20N through a...

A block and tackle systems is used to lift a load of 20N through a vertical height of 10m . if the efficiency of the system is 40%. how much work is done against friction.?
In College Of Education, Agbor
3 Answers Available
Asked by Wole-Ajayi on 26th October, 2023
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