1) An object of mass, m, is suspended by two cords connected to a wall and to a 5.0 kg block resting on a table as shown. A coefficient of friction of 0.47 exists between the 5.0 kg block and the table. a) Draw an FBD for block with mass 5.0 kg. Determine the magnitudes of the tension in the horizontal rope (T1) and of the normal force acting on block. (FN). b) Draw an FBD of point of connection of three ropes. Calculate the tension T2 on the rope that form an angle ? = 320 with the wall. c) Draw an FBD for unknown mass. Determine the magnitude of the tension in the vertical rope (T3) and the unknown mass.

2. Cart 1 has a mass of 20.0 kg, cart 2 has a mass of 10.0 kg, and cart 3 has a mass of 15.0 kg. Coefficient of Kinetic friction is 0.10. A third cord, which pulls on cart 1 and is at an angle of 23o above the horizontal, has a tension of magnitude 150 N. (hint: FN of cart 1 is NOT equal with Fg). Draw FBD for each cart. a) Determine the magnitude of the acceleration of the carts. b) Determine the magnitude of the tension (T2) in the cord between m3 and m2. c) Determine the magnitude of the tension (T1) in the cord between m2 and m1.

2. Cart 1 has a mass of 20.0 kg, cart 2 has a mass of 10.0 kg, and cart 3 has a mass of 15.0 kg. Coefficient of Kinetic friction is 0.10. A third cord, which pulls on cart 1 and is at an angle of 230 above the horizontal, has a tension of magnitude 150 N. (hint: FN of cart 1 is NOT equal with F). Draw FBD for each cart. cart 3 cart 2 a) Determine the magnitude of the acceleration of the carts. (A /6 marks) /6 marks) b) Determine the magnitude of the tension (72) in the cord between my and mz. (A /2 marks) c) Determine the magnitude of the tension (71) in the cord between my and my. (A /2 marks)SPH401-02 Mr. Llupo Name: Date: Chapter 2 Problem Set Knowledge: / Thinking/Inquiry: / Communication: /12 Application 120 1. An object of mass, m, is suspended by two cords connected to a wall and to a 5.0 kg block resting on a table as shown. A coefficient of friction of 0.47 exists between the 5.0 kg block and the table. a) Draw an FBD for block with mass 5.0 kg. Determine the magnitudes of the tension in the horizontal rope (71) and of the normal force acting on block. (FN). (A /4 marks) /2 marks) 5.0 kg M =0.47 b) Draw an FBD of point of connection of three ropes. Calculate the tension 72 on the rope that form an angle 0= 320 with the wall. (A /2 marks) /3 marks) c) Draw an FBD for unknown mass. Determine the magnitude of the tension in the vertical rope (73) and the unknown mass. (A /4 marks) /1 mark)