Question

why do tyres have grooves?

a) to increase friction

b)to reduce friction​






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Answer 1

Explanation:

Option B, Grooves of a tyre increase friction. This is because, the type of surface influences the decrease or increase in friction

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Answer 2

Grooves of a tyre increase friction. This is because, the type of surface influences the decrease or increase in friction. Rougher surfaces increase friction, while smoother surfaces decrease friction. Therefore Grooves of a tyre help increasing friction.

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