Automobile tyres have generally irregular projections over their surfaces. Why?

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Solution

The automobile tyres have generally irregular projections over their surface so as to :
(i) Increase friction,because friction depend on $r o u g h n e s s .$
(ii) Increase the grip with the ground and thus avoiding their skidding.

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Similar questions

Q. Automobiles tyres have generally irregular projections over their surfaces? Why?

Consider the following statements:

Statement 1: Rough surfaces generally have more friction between them.
Statement 2: When we attempt to slide one surface over another, we have to apply a force to overcome interlocking between the irregularities present on the surfaces.

Choose the correct option.

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Automobile tyres have generally irregular projections over their surfaces. Why?

The automobile tyres have generally irregular projections over their surface so as to :(i) Increase friction,because friction depend on roughness.(ii) Increase the grip with the ground and thus avoiding their skidding.

The automobile tyres have generally irregular projections over their surface so as to :
(i) Increase friction,because friction depend on $r o u g h n e s s .$
(ii) Increase the grip with the ground and thus avoiding their skidding.