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Physics, 23.12.2019 04:31 ayoismeisalex

Acrowbar is used as a lever. the effort force of 40 newtons moves 3 meters. the resistance force of 54 newtons moves 2 meters. what is the efficiency of the lever? 100% because energy must be conserved 90% 25% 18%

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Acrowbar is used as a lever. the effort force of 40 newtons moves 3 meters. the resistance force of...

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