Physics, 07.04.2021 06:10, catchonyet
A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction
acting on the box is a constant 20 N. How much work is done by the gravitational force?
A. 03
OB. 10 J
C. 100
D. 50 J
Answers: 3
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A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface....
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