When the thigh is fractured, the patient\'s leg must be kept under traction. One

Question

When the thigh is fractured, the patient's leg must be kept under traction. One method of doing so is a variation on the Russell traction apparatus.

If the physical therapist specifies that the traction force directed along the leg must be 24.0N , what must Wbe?

When the thigh is fractured, the patient's leg must be kept under traction. One method of doing so is a variation on the Russell traction apparatus. If the physical therapist specifies that the traction force directed along the leg must be 24.0N , what must Wbe?

Explanation / Answer

Let the tension in the chords be T.

As given in question 2TCos35=24

equating the component of W,

2Tsin35=W

diving the two expressions we get,

W=24tan35=16.8N

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