8th Class Science Friction Question Bank Friction

  • question_answer
    Why are tyres made circular in shape?

    A)  It is easy to inflate circular tyres.

    B)                         Rolling friction is less than sliding friction.

    C)                         Circular tyres dissipate less heat.

    D)                         Circular tyres easily slow down or stop a vehicle.

    Correct Answer: B

    Solution :

    Since, rolling friction is less than sliding friction, the tyres are made circular instead of flat.


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