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Moving blades...

Question

Moving blades of a windmill have _________ (rotatory/ curvilinear) motion.

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Solution

When a body rotates on its axis, it produces a rotational motion.
Rotatory motion is demonstrated by the moving blades of a windmill.
The windmill is a mechanism that uses the blades of the windmill to transform wind energy into rotational energy.
Hence, the Moving blades of a windmill have rotatory motion.

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How does the wind move the blades of a windmill ?

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