A horizontal force of 120 N is used to push
a 49 kg box 5.4 m on a rough, horizontal
surface....
A horizontal force of 120 N is used to push
a 49 kg box 5.4 m on a rough, horizontal
surface.
The acceleration of gravity is 9.8 m/s
2.
1) If the box moves at constant speed, find the
work done by the 120 N force.
Answer in units of J.
2) How much energy is lost to friction?
Answer in units of J.
3) What is the coefficient of kinetic friction?
Answers: 1
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