Physics 12 - Quiz #4 
Two-Dimensional Dynamics

Three blocks are connected by ropes and pulleys as shown below. The 25 kg mass is on a frictionless surface, while the 20 kg mass is on a rough surface (m = 0.10), and the 10 kg mass is also on a rough surface (m = 0.20). Acceleration of the system is to the right.


a) Draw and label the free-body diagram for each mass. (3 marks)

b) Write the equation described by each vector diagram above. (3 marks)

c) What is the acceleration of the system? (6 marks)

d) What is the tension in each rope, T1 and T2? (3 marks)

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