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1) A 10 kg wooden box is resting on a wooden floor. What is the minimum horizontal force that must be applied to the box to get it moving? The coefficient of static friction between the box and the floor is 0.50.

2) Once the box in the previous problem is moving, what force must be applied to keep it moving at a constant speed if the coefficient of kinetic friction between the box and the floor is 0.30?

3) What force must be applied to the box in the previous problem to accelerate it at 5.0 m/s2? (Assume it is already moving, so consider kinetic friction.)

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