Physics Quiz 3 - Chief Delphi

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Physics Quiz 3

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#11

19-11-2011, 22:46

Ether

systems engineer (retired)

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Join Date: Nov 2009

Rookie Year: 1969

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Re: Physics Quiz 3

Quote:

Originally Posted by John

so the total friction force would be ... tau_k/(r*sin(theta))

Yes.

But according to the Coulomb friction model, the total friction force must be mu_k*W.

So that means tau_k must equal mu_k*W*r*sinθ.

So, what happens if the voltage to the motor is increased?

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