Alex is asked to move two boxes of books in contact with each other and resting...

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Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on mg by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on må by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on må by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mA = 11.0 kg and B has a mass m³ = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on mg by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on mg by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on må by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mà = 11.0 kg and B has a mass m² = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on må by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp = 8.7 N. Here A has a mass mA = 11.0 kg and B has a mass m³ = 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between the boxes and the floor is 0.04. (Assume Fp acts in the +x direction.) MA MB (a) What is the magnitude (in m/s²) of the acceleration of the two boxes? .399 X Did you draw three free-body diagrams, one for each box and one for the two boxes combined and identify the forces acting on each system? What is the system of interest here for finding the acceleration of the two boxes? m/s² (b) What is the force exerted on mg by mÃ? In other words what is the magnitude (in N) of the contact force FC? A N (c) If Alex were to push from the other side on the 7.0-kg box, what would the new magnitude (in N) of FC be? с N

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