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1.what is the relationship between the kind of surface and the amount of frictional force?

2.what is the relationship between the weight of the object and the amount of frictional force?​

Sagot :

Answer:

1.) The force due to friction is generally independent of the contact area between the two surfaces. This means that even if you have two heavy objects of the same mass, where one is half as long and twice as high as the other one, they still experience the same frictional force when you drag them over the ground.

2.) For friction due to surface roughness, the frictional force is proportional to the weight of the object being moved across a surface.