Physics, 02.12.2021 01:30, henriquetucker

How much input energy is needed to lift a rock of weight 150 N through a distance of 0.6 m using a lever?
Note: The efficiency of the lever is 90%.

Answers:

90J
150J
10J
100J

Answers: 2

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How much input energy is needed to lift a rock of weight 150 N through a distance of 0.6 m using a...