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A person wants to push an 80-kg box across the floor. The coefficient of friction between the box and the floor is 0.5.

(a) What is the normal force experienced by the box as it sits on the floor?

(b) If the person pushes horizontally on the box, how much force must be applied to move the box?

(c) If the person pushes against the box with the force calculated in (b), but at an angle of 30° relative to the horizontal, what is the normal force experienced by the box?

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  • Category:- Physics
  • Reference No.:- M9882467

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