Homework Help: Physics

Posted by Sally on Tuesday, January 31, 2012 at 11:00am.

The figure shows the treatment of fractures of the humerus shaft with a cast of the upper arm bent by 100 to 110 degrees at the elbow joint, and an attached traction device. The traction device keeps the upper arm under tension to lower the risk of fracture dislocation due to muscle contraction. What mass must be used for the traction device if the muscle force it must compensate is 7.5 N?

Physics - drwls, Tuesday, January 31, 2012 at 11:18am
I would need to see the Figure to understand and answer this question.
Physics - Sally, Tuesday, January 31, 2012 at 11:24am
There is no given figure, you have to draw it from the question.
Physics - drwls, Tuesday, January 31, 2012 at 11:33am
"The figure shows.." would seem to imply otherwise.
Physics - student, Tuesday, January 31, 2012 at 3:40pm
0.7 is the answers
Physics - drwls, Thursday, February 2, 2012 at 8:37pm
0.7 is one answer.
Physics - drwls, Thursday, February 2, 2012 at 8:37pm
0.7 is one answer.

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