shanilafaridor97hl
15.12.2020 •
Physics
The figure below shows a 2 kg box. A 10 N force pushes the box horizontally across a level flat surface. The frictional force that results from contact with the surface produces a 2 N force that opposes the direction of the box's movement. image What is the net force acting on the box?
A. 5 N, right
B. 8 N, right
C. 20 N, right
D. 12 N, right
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Ответ:
Fricition opposes the pushing force, so the net force is
10 N - 2 N = 8 N
to the right.
Ответ:
Displacement: 0. Why? Because he returns to his porch, the he winds up in the exact same place he started, making displacement =0.