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    science
    Grade-3
    Easy

    Question

    Pick the odd one out.

    Hint:

    The friction is the highest when two rough surfaces rub against each other. Friction is the least when two smooth surfaces rub against each other.

    The correct answer is:

      Walking, Erasing and wearing out of shoe soles are all examples of friction between two rough surfaces. Brushing is an example of friction between a rough and a smooth surface. Hence, brushing is the odd one out.

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      The friction between the surface of the table and the turntable is low. The turntable ____ on the table, to which it is fixed.