5 6 3. Which of the following variables affects the force of friction between two surfaces? a. Mass of an object on a surface b. Texture of the object moving on a surface C. Texture of the surface 1. All of the above e. None of the above 4. The net force points in the same direction as which of the following? a. Gravity b. Velocity C. Acceleration d. Applied Force 5. What is the relationship between acceleration and net force as described by Newton's 2nd Law? a. Linear b. Inverse C. Horizontal d. Quadratic 6. What is the relationship between acceleration and system mass as described by Newton's End Law? a. Linear b Iniverse C. Horizontal Id. Quadratic None of the above Free Response A 10 kg box is dragged across a horizontal surface by a 100 N force that is applied horizontally with