when you write on a piece of glass sheet with a piece of chalk, the writing is not clear, why?
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this happens because chalk cannot write on a smooth surface, as glass is smoother and has lesser irregularities causing it to house less friction, the chalk will slip off when you write on a glass sheet.or The glass sheet is a smooth surface. The friction that a piece of chalk faces on a glass sheet is much lesser than what it may face when used to write on a board. Hence, the writing is not clear in the case of a glass sheet when used as a writing surface.
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hii
because chalk cannot write on smooth surface as glass is smoother and has less irregularties causing it to less friction.
because chalk cannot write on smooth surface as glass is smoother and has less irregularties causing it to less friction.
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