heyimstunning
heyimstunning heyimstunning
  • 15-11-2022
  • Physics
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A 14 kg toolbox is placed on a plank of wood.
When one end of the plank is raised, the toolbox
begins to slide down the incline at a uniform
speed when the angle reaches 40°. Determine
the frictional force acting on the box.

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