Solution:
Free-Body Diagrams
a) Draw and label the free-body diagram for each mass. (3 marks)
| 10 kg: | 25 kg: | 20 kg: |
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b) Write the equation described by each vector diagram above. (3 marks)
| 10 kg: | 25 kg: | 20 kg: |
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FNET = T1 - FF - Fg1 // = 10a |
FNET = T2 - T1 = 25a |
FNET = Fg3// - T2 - FF3 = 20a |
c) What is the acceleration of the system? (6 marks)
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d) What is the tension in each rope, T1 and T2. (3 marks)
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