Posted by nancy on Friday, March 4, 2011 at 9:34pm.
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. (See the figure.)
Please place period in place of (dot)
oi53(dot)tinypic(dot)com/2a0b7yx(dot)jpg
If the physical therapist specifies that the traction force directed along the leg must be 21.0 , what must be?

physics  drwls, Friday, March 4, 2011 at 9:40pm
You have not provided a figure, and I have no idea what oi53, 2a0b7yx, etc. are supposed to represent
You have also provided no dimesions for you force numbers.
With respect to your last sentence, what must WHAT be?
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