Question

Q1.What are the wheel and axle arrangement used in vehicles,sewing machines,egg beaters and cycles.
Q2.Why do think wheels are round?Why will a square or a triangular wheel not work?

Answer 1

For Rolling Speed: The circular shape of the tyre is the most suitable shape for faster rolling on the roads and also only point of contact between vehicle & the road. The circular shape of it ensures that vehicle can move faster.

Answer 2

Explanation:

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