Question

pls tell the answer of thi​

Answer 1

Answer:

6)Worn out tyres are discarded as their groves worn out making the surface smooth and harder to stop the car as the friction in less in smooth objects.

7)The soles of the shoes have grooves in order to increase friction between the surface of the floor and the soles of the shoes. This prevents slipping on the floor.

8)(i)oil and grease

(ii)heat

(iii)rolling friction

(iv)ceiling fan

(v)less the friction

Explanation:

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