WHAT IS FRICTION?
WHAT IS IT USES?
Answers
Answer:
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.
Explanation:
8 examples of friction in our daily life
1)Driving of a a vehicle on a surface.
2)Applying brakes to stop a moving vehicle.
3)Skating.
4)Walking on the road.
5)Writing on notebook/ blackboard.
6)Flying of aeroplanes.
7)Drilling a nail into wall.
8)Sliding on a garden slide.
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Answer:Although you normally hear about trying to reduce or eliminate friction, it actually has some important uses.
Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications where you might want to hold items or do things and prevent slipping or sliding. In those cases, there is an advantage of having friction.
Quite often uses of friction can be seen from how things would be without friction. If there was no friction, you would not be able to walk, drive a car, or hold objects. Pens and pencils would not work.
Friction is also necessary to stop a car or bike through the use of brakes.
Explanation: