Question

how friction is apply on chalk between blackboard?​

Answer 1

Answer:

here is your answer army

Explanation:

When we write on a blackboard then static friction acts in between chalk and the surface of the board. When we push the chalk with little force then the chalk does not move, here the chalk does not move because the applied force is balanced by the static frictional force

Answer 2

refer the attachment ✌️ sis

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