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Old Sep 21st 2008, 07:09 PM   #1
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unit of μk

Hello everyone,

Could you please tell me if this is correct?

What is the unit of μk?

My attempt:

μk=Ffriction/N

Thank you very much
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Old Sep 23rd 2008, 02:12 AM   #2
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Could you write the equation in a clearer way? I don't quite understand what you mean. Do you mean that friction=k(Normal force)? where k is the coefficient of friction
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Old Sep 23rd 2008, 05:28 AM   #3
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Originally Posted by chocolatelover View Post
Hello everyone,

Could you please tell me if this is correct?

What is the unit of μk?

My attempt:

μk=Ffriction/N

Thank you very much
Friction is a force, so it has the unit N. The normal force is a force, so it also has the unit friction. The unit N/N = 1 is unitless, so $\displaystyle \mu _k$ is unitless.

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