Question

causes that affect friction​

Answer 1

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Friction is caused by the interlocking of irregularities of the two surfaces when one object is placed over another object. If the two surfaces of objects are pressed together harder by a great force, then the friction will increase. Suppose we have two boxes of same size but one box is light and other box is heavy.

Answer 2

Answer:

Weight and surface smoothness

Explanation:

Surface on which the object is moved or the nature of the surface. i.e., rough surface, smooth surface, liquids etc.

The weight of the object or the amount of force on the surface by the object.

Hope this helps