How to Calculate the Co-Efficient of Kinetic Friction

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Calculating the co-efficient of kinetic friction always requires you to keep a few important things in mind. Calculate the co-efficient of kinetic friction with help from a longtime educator in this free video clip.

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Video Transcript

Hi, I'm Jimmy Chang, and we're here to talk about how to calculate the coefficient of kinetic friction. Now, the formula goes something like this. Mu sub of K equals to F sub K, over capital F, sub N. Now, a lot of these you know, things stand for various things. Now, Mu sub of K is the coefficient of kinetic friction. Now, S sub K is the force of the kinetic friction. So, that's the numerator, so it's S sub K, force of kinetic and then, divided by the normal force. Now, all that is, is the force that's acting on a surface, but at a right angle, or 90 degrees. That's where the normal force comes from. So, as long as you know what those variables are, you should be good to go. So, I'm Jimmy Chang and that's how to calculate the coefficient of kinetic friction.

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