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Question

Why are vehicle tyres treaded? 



A

To increase friction

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B

To decrease friction

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C

To reduce the overall weight of the tyre

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D

To decrease grip

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Solution

The correct option is A

To increase friction


The tyres of cars, trucks and bulldozers have treads or grooves in the rubber which is designed to allow water to be expelled from beneath the tire. This provides better grip with the ground thereby increasing friction for better handling.


Physics

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