why grooves are made in tyre please explain me
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1
Answer:
The grooves in the rubber are designed to allow water to be expelled from beneath the tire and prevent hydroplaning. The proportion of rubber to air space on the road surface directly affects its traction. Design of tire tread has an effect upon noise generated especially of freeway speeds.
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2
Answer:
to increase the grip i.e, force of friction
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Explanation:
since frictional force is required for correct motion otherwise the vehicles will skid on road leading to accidents
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