Because it's friction that rubs the graphite off the pencil on to the paper to make the words you write.
sliding friction
You walk and that is the example of friction
some examples of good friction could be static electricity depending on the way you look at it. Also a pencil and eraser or even the breaks on your car rubbing against the inside of the tire when you hit the pedal down.
Blue cheese is a non-example of friction.
Friction is force resisting relative motion of solid surfaced, fluid layers and material elements sliding against each other. Examples of friction are rubbing your hands together, rubbing two pieces of wood together, automobile brakes, rain adhesion, road slipperiness, split friction, road texture, lighting matchsticks and rolling a coin.
sliding friction
Anything with wheels, such as a car, would be an example of use of rolling kinetic friction.
Friction
A pencil is erasable, a permanent marker pen is not.
friction
Both words: I hope you can pass me that pencil - I hope you were feeling ok today - Can you pass me that pencil?
I will answer when the question actually makes sense.
I took the book from the shelf.She took my pencil and sold it.
Everywhere, for example sitting on your chair, walking, using a mode of transport.
The pencil would just slide out of your hand because there would be nothing holding it there. You would have to balance the pencil on your hand!
You walk and that is the example of friction
Rubber has a high co-efficient of friction.