when a piece of chalk is used on a black board, particles of the chalk stick on the board. which force is responsible for this phenomena.
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Answer:
the particals of chalk are minute which stuck in the board
Explanation:
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Answer:
Friction causes the chalk to stay on the chalkboard.
When it is forced across the chalk board, small parts of chalk ('dust') are broken and remain trapped by friction in the surface asperities of the chalk board.
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