Physics, 04.01.2021 21:40, Aj85537

A refrigerator 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: 2

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A refrigerator with a weight of 1,127 newtons needs to be moved into a house using a ramp. The lengt...