Physics, 04.05.2021 15:50, spellsaltoniza

4.A washing machine that weighs 1400 N must be put into a delivery truck bed that is 1.2 m off the ground. A worker uses a force of 450 N to push the machine up a ramp that is 4.3 m long. What is the efficiency of the inclined plane?

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4.A washing machine that weighs 1400 N must be put into a delivery truck bed that is 1.2 m off the g...