Physics, 29.01.2020 02:56 Tonyswife15
Arefrigerator with a weight of 1,127 newtons needs to be moved into a house using a ramp. the length of the ramp is 2.1 meters, and its height is 0.85 meters. what is the percentage efficiency if a force of 496 newtons is applied to the refrigerator?
a. 44 percent
b. 58 percent
c. 64 percent
d. 76 percent
e. 92 percent
Answers: 3
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Arefrigerator with a weight of 1,127 newtons needs to be moved into a house using a ramp. the length...
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