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प्रश्न
How did Newton learn about the way a windmill operated?
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उत्तर
Newton frequently went to the windmill that operated on a new plan. He spent hours examining the various parts of the windmill. When the mill was not working, he examined its internal machinery. When the windmill’s broad sails were in motion by the wind, Newton examined the process by which the mill-stones revolved and crushed the grains, put into its hopper. Thus Newton gained a thorough knowledge of the construction and operation of the windmill.
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