Question

Why the tyres are circular in shape?

(a) they require less material

(b) rolling friction is smaller than sliding friction

(c) it is easy to inflate circulartyres

(d) none​

Answer 1

option b is correct

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Answer 2

Answer:

Here's your answer

Tyres move by rolling. And the circular shape is the most appropriate one for this purpose as it maintains a uniform and smooth contact with the surface. Any shape other than round- think square, rectangular, hexagonal etc- has edges or points that dig into the road. This makes movement slower.

Your answer is b)

Explanation:

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