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and the floor. c The applied pulling force is steadily increased. Just before the box moves forward, the 144.0 N. Determine the maximum coefficient of friction between the box and the surface. 4. The same box is being pulled by a force, F, at an angle, 0, above the horizontal, across a rough surface at a constant velocity. a Draw a free-body diagram of the box. b. Identify the forces acting on the box in the x- and y-axes. c Will the frictional force increase or decrease as 8 is increased from 0° to 45°? Explain your reasoning. lid materials, write a procedure for how fiction. Be sure to

and the floor. c The applied pulling force is steadily increased. Just before the box moves forward, the 144.0 N. Determine the maximum coefficient of friction between the box and the surface. 4. The same box is being pulled by a force, F, at an angle, 0, above the horizontal, across a rough surface at a constant velocity. a Draw a free-body diagram of the box. b. Identify the forces acting on the box in the x- and y-axes. c Will the frictional force increase or decrease as 8 is increased from 0° to 45°? Explain your reasoning. lid materials, write a procedure for how fiction. Be sure to

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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b. Calculate the mass m of the box. 2. The same box now encounters a rough surface and moves with a constant velocity. a Draw a free-body diagram of the box, and identify the force opposing the motion. b. Determine the coefficient of friction between the box and the surface. 3. The same box is then pulled over an especially rough surface and comes to a stop. The pulling force is still applied and the box does not move. a Draw a free-body diagram of the box, and identify the force opposing the motion. Dox assuming the floor is frictionless. b. The applied pulling force is increased to 70.0 N. The box remains stationary. Determine the coefficient of friction between the box and the floor. c The applied pulling force is steadily increased. Just before the box moves forward, the force is recorded to be 144.0 N. Determine the maximum coefficient of friction between the box and the surface. 4. The same box is being pulled by a force, F, at an angle, 8, above the horizontal, across a rough surface at a constant velocity. a Draw a free-body diagram of the box. b. Identify the forces acting on the box in the x- and y-axes. c Will the frictional force increase or decrease as 0 is increased from 0° to 45°? Explain your reasoning. 5. Considering your answers to Prelab Questions 2, 3 and 4, and the provided materials, write a procedure for how you would determine the coefficient of kinetic (sliding) friction and the coefficient of static friction. Be sure to define the conditions of the system in your procedure.
Transcribed Image Text:b. Calculate the mass m of the box. 2. The same box now encounters a rough surface and moves with a constant velocity. a Draw a free-body diagram of the box, and identify the force opposing the motion. b. Determine the coefficient of friction between the box and the surface. 3. The same box is then pulled over an especially rough surface and comes to a stop. The pulling force is still applied and the box does not move. a Draw a free-body diagram of the box, and identify the force opposing the motion. Dox assuming the floor is frictionless. b. The applied pulling force is increased to 70.0 N. The box remains stationary. Determine the coefficient of friction between the box and the floor. c The applied pulling force is steadily increased. Just before the box moves forward, the force is recorded to be 144.0 N. Determine the maximum coefficient of friction between the box and the surface. 4. The same box is being pulled by a force, F, at an angle, 8, above the horizontal, across a rough surface at a constant velocity. a Draw a free-body diagram of the box. b. Identify the forces acting on the box in the x- and y-axes. c Will the frictional force increase or decrease as 0 is increased from 0° to 45°? Explain your reasoning. 5. Considering your answers to Prelab Questions 2, 3 and 4, and the provided materials, write a procedure for how you would determine the coefficient of kinetic (sliding) friction and the coefficient of static friction. Be sure to define the conditions of the system in your procedure.
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