Why do tyres have treads?

To reduce the overall weight of the tyre

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To make tyres last longer

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To increase friction on wet roads

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To decrease friction on rough roads

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Solution

The correct option is C To increase friction on wet roads
The tyres of cars, trucks, and bulldozers have intricate treads or grooves on their surface which is designed to allow water to be expelled from beneath the tyre. This majorly provides a better grip with the ground thereby increasing the friction for a safer and non-slippery motion of the vehicle.

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