Friction is necessary because it allows objects to grip and move against each other. Without friction, objects would slide uncontrollably and it would be difficult to walk, drive, or even hold onto objects. Friction also allows us to stop motion and control speed.
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Friction is a necessity in many processes and phenomena, such as walking, driving, and stopping objects from sliding. It helps in providing traction and control in various situations. However, too much friction can also be a nuisance in some cases, like in mechanical systems where excessive friction can lead to wear and inefficiency.
The two types of friction are static friction and kinetic friction. Static friction occurs when two surfaces are at rest relative to each other, while kinetic friction occurs when two surfaces are in motion relative to each other.
Three types of friction are : 1. Kinetic friction :Friction that arises between surfaces in relative motion. 2. Static friction :Friction that acts between surfaces at rest with respect to each other 3. Rolling friction : Friction that occurs when an object rolls over a surface. Static, sliding, rolling.
The three types of friction are static friction, kinetic friction, and rolling friction. Static friction occurs when an object is at rest and trying to be moved, kinetic friction occurs when an object is sliding against another object, and rolling friction occurs when an object is rolling over a surface.
The plural form of "friction" is "frictions."