State the three law of static friction
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Explanation:
The law of static friction states that the force of friction, that resists the motion of the body as it starts to fall down the surface, is proportional to the normal (perpendicular) force that the body exerts on the surface. ... Within rather large limits, kinetic friction is independent of velocity.
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Advantages and Disadvantages of Friction
Extra friction makes it difficult to move an object, such as sliding a box across the floor or walking in deep snow.
Any device that has moving parts can wear out rapidly because of friction. ...
Friction can create heat energy, but this could overheat and damage an object, such as a car.
Extra friction makes it difficult to move an object, such as sliding a box across the floor or walking in deep snow.
Any device that has moving parts can wear out rapidly because of friction. ...
Friction can create heat energy, but this could overheat and damage an object, such as a car.
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