A 78.2 N wooden box is pushed with velocity 13.0 m/s across a flat, horizontal, concrete...
A 78.2 N wooden box is pushed with velocity 13.0 m/s across a flat, horizontal, concrete floor. A person pushes against the box at 30 degrees from horizontal, as shown in the figure. Assume:
μk=μk=0.270 μs=μs=0.415
How much Force (Magnitude) is required to keep the box moving at constant velocity?
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