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Unread 03-04-2010, 02:00
Ian Curtis Ian Curtis is offline
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Re: Will a 1/3 horse power sump pump motor burn up at half power?

Quote:
Originally Posted by Coffeeism View Post
Well thats energy because power would be j/s.

And I don't think its torque because you're not taking the cross product
Sure you are! Provided the force vector and radius vector are perpendicular, we can write the cross product as the following determinant:

i j k
0 r 0
0 0 F

Which simplifies to t=rF.

There might be some trig figuring out the force perpendicular to the radius, but it's definitely a torque.
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