7. Friction, Inclines, Systems
Stacked Blocks
7. Friction, Inclines, Systems Stacked Blocks
7PRACTICE PROBLEM
As shown in the figure, a boy is pushing on a 3.0 kg steel box sliding vertically down against a steel (lubricated) wall. Determine the force to be applied by the boy so that the box will slide upward.
As shown in the figure, a boy is pushing on a 3.0 kg steel box sliding vertically down against a steel (lubricated) wall. Determine the force to be applied by the boy so that the box will slide upward.