I am quite confused when my lecturer told me that the mass of an object doesn't affect the static friction.
F = μN , the N suppose to be the Normal force right? If i have an object on an horizon surface, the N should be -mg, why doesn't mass affect the static friction?
F = μN , the N suppose to be the Normal force right? If i have an object on an horizon surface, the N should be -mg, why doesn't mass affect the static friction?