Originally Posted by **chocolatelover** 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.

-Dan