Question

Hello!!!
How we are able to write on a paper or on a chalk board????
please tell the answer as soon as possible ​

Answer 1

We are able to write paper due to the friction between chalk/pencil and blackboard/paper.Due to irregularities in surface of paper/blackboard the chalk/pencil's particles fill the space of irregularities in paper/blackboard's irregularities.

Due to this we are able to write on paper or black board with paper or blackboard.

Hope it helps you

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Answer 2

The tip of your pencil and the paper are rubbing together. Friction is helping you get something done. It rubs off lead particles, which makes your writing or your picture visible. When you write with chalk on a chalk-board, the rough surface rubs off chalk particles making your picture or your writing visible.