1.

5. Does the force of friction vary with(a) weight of the block?(b) change in the conditions of surface incontact?(c) area of contact?

Answer»

a) Friction is due to the weight of the object and the coefficient of friction. The coefficient is a number that tells you how much friction you would expect between pairs of surfaces.Force friction= weight x coefficient of frictionSo as the weight increases so does the amount of friction.



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