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OpenStudy (anonymous):
a wrench with an 18 inch handle turns through an angle of 2.3 radians while a force of 50lbs is applied to the end of the handle. find the work done
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OpenStudy (anonymous):
How do I do this?
OpenStudy (anonymous):
Your using a form of work known as torque: http://upload.wikimedia.org/math/7/5/f/75f97c24e7a50c7ffed8bef0b8348331.png You can resolve the radius cross product angle using trig: http://upload.wikimedia.org/math/b/3/7/b37cbcae0e83b25b1f26bbdab44f2e32.png Substitute the second equation into the first and solve.
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