Chemistry, 25.02.2022 04:20 alyssabond8325
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 50 N force?
A. 100 J
B. 10 J
C. 50 J
D. 200 J
Answers: 1
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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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