Question

define friction with example​

Answer 1

Explanation:

A book moving across the desk is an example of sliding friction. ... A heavy object exerts more pressure on the surface it slides over, so the sliding friction will be greater. Air, water and oil are all fluids. Air resistance is a type of fluid friction. As an object falls, air resistance pushes up on the object.

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Answer 2

Answer:



Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.

Scientists began piecing together the laws governing friction in the 1400s, but because the interactions are so complex, characterizing the force of friction in different situations typically requires experiments and can't be derived from equations or laws alone.

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