Science, asked by TONYSTARK3696, 7 months ago



A piece of chalk wears out as it is used on a black board.
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Answers

Answered by Manogna12
7

As chalk is rubbed/ used against a blackboard it wears out as friction develops between the two surfaces. Explanation: Friction causes wear and tear of objects when it is rubbed against each other.

Answered by ashman25
0

Answer:

What Tony Stark asking questions?

Explanation:

That's obvious, the chalk is been used and so it will become short, then shorter and then it wont exists

wait, I Answered a question which Iron Man*Tony Stark Didn't knew, So probably I am spider man because only he can Answer Tony's question

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