Problem 5: Aleg is suspended in a traction system as shown in the image to the right. The image below that shows a free-body diagram of the forces on pulley 4. Wieg w = mg Part (a) What will the magnitude of force F keeping the pulley in place be in the free body diagram of pulley 4? Give your answer in terms of the- other variables in the problem statement.
Problem 5: Aleg is suspended in a traction system as shown in the image to the right. The image below that shows a free-body diagram of the forces on pulley 4. Wieg w = mg Part (a) What will the magnitude of force F keeping the pulley in place be in the free body diagram of pulley 4? Give your answer in terms of the- other variables in the problem statement.
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Transcribed Image Text:Problem 5: Aleg is suspended in a traction system as shown in the image to the right. The image
pulley 4.
below that shows a free-body diagram of the forces
Wieg
w = mg
Part (a) What will the magnitude of force F keeping the pulley in place be in the free body diagram of pulley 4? Give your answer in terms of the
other variables in the problem statement.
F =
Transcribed Image Text:Part (b) Suppose that rather than a shinbone, as shown in the image, the patient has a broken femur that must be placed in the traction setup. If
pulley 4 is again connected to the leg such that F is the tension in the cable attaching the leg to pulley 4, in what way could we increase the magnitude of F in
order to increase the force on the leg?
Decrease angle 0 by moving the pulley left.
Changing the angle will not affect the horizontal force.
Increase angle 0 by moving the pulley right.
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