Physics, 24.08.2019 10:50, naomicervero

A600-n box is pushed up a ramp that is 2 meters high and 5 meters long. the person exerts a force of 300-n. what is the efficiency of the ramp?

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A600-n box is pushed up a ramp that is 2 meters high and 5 meters long. the person exerts a force of...