What is friction?What are the effects of friction?
Answers
‘Friction‘ is a force that resists motion of sliding or rolling of one object moving relative to another. It is a result of the electromagnetic attraction between the charged particles of two touching surfaces. We find and use it everywhere and every day whenever objects come into contact with each other. Although it always acts in the always acts in the direction opposite to the way an object wants to slide.
For example, we use car brakes if we want to stop or slow down because of the friction created between the brakes and wheels that slow/stop the car down.
Factors Affecting Friction
The force of friction may alter depending on the following factors that affect it:
When two smooth surfaces are in contact, then the degree of friction between them is small because the interlocking between smooth surfaces is less.
When two rough surfaces in contact, then the degree of friction between them is large because the interlocking of between rough surfaces is too much.
It also depends on the weight of the object or on the amount of force applied on the surface by the object.
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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.
Effects Of Friction:
It produces heat, that helps in heating parts of any object or to warm ourselves. It also causes loss in power. It produces noise during any kind of operation. It's because of friction that we're able to walk, run, play, etc.
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