Asked by james

Using a ramp 10 m long, workers apply an effort force of 2,150 N to move a 1,539 N crate onto a platform 2 m high. What is the efficiency of the ramp?


Answers

Answered by Anonymous
gain in potential energy = m g h = 1539 * 2
work done = 2150 * 10
eff = 1539*2 / 21500 = 0.143
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