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November 25, 2014

November 25, 2014

Posted by **Mary** on Friday, September 28, 2007 at 1:57am.

Please tell me if I am going in the right direction.

Torque = NIAB sin theta

8.4x10^-4 = 1 x 3.9 x (pi r^2) x 0.9 x sin theta

How do I find the value of sin theta to plug into the formula?

- Physics -
**drwls**, Friday, September 28, 2007 at 2:49amThey give you the maximum torque, and that corresponds to theta = 90 degrees

(sin theta = 1)

Solve for r.

N = 1 in this case

The length of the wre is 2 pi r

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