Why it is difficult to write on glass or smooth surface?
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Answered by
5
here is your reason ✌️
Because there is no friction between pencils and glass and glass is harder than the lead in the pencil .and glass surface is smoother than the surface of paper.
hope it helps you!
give thanks ♥️
Answered by
0
Because there is less friction on a smooth surface and more on a rough surface
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