Question

5. What are the factors affectiny friction?

6. Why does the match stick catch fire when rubbed on the rough

surface of the box?

7. What is the force of friction?​

Answer 1

Ans5 :- the factors affecting fricton are

1) nature of surface in contact

2) normal foce (weight)

Ans6 :- the friction due to the rubbing of the phosphorus tip of the matchstick against the side of the Matchbox side (which has powered glass and an adhesive such as gum Arabic or area formaldehyde) increases the temperature of the trp to get ignited.

Ans7 :- The force required to initiate or to maintain relative motion against friction

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Answer 2

Answer:

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