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Question 4 of 25 Trevor used a ramp to get a box into a truck. His input work was 700 J and the output work was 400 J. What was the mechanical efficiency of using the ramp? A. 175% OB. 57.1% C. 100% D.
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Question 4 of 25

Trevor used a ramp to get a box into a truck. His input work was 700 J and
the output work was 400 J. What was the mechanical efficiency of using the
ramp?
A. 175%
OB. 57.1%
C. 100%
D. 42.8%
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User Martin Vobr
by
3.9k points

1 Answer

1 vote

Answer: B, 57.1%

Explanation: 400 divided by 700 = .571 (roughly), which is 57.1%

User Avinash Pandey
by
5.0k points
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