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प्रश्न
The stone of hand flour grinder is provided with a handle near its rim. Give reason.
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उत्तर
The stone of hand flour grinder is provided with a handle near its rim so that it can be rotated easily about the iron pivot at its centre by a small force applied at the handle.
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संबंधित प्रश्न
Less force is needed when applied at a farther distance from the pivoted point.
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