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Q.

Is it true that a pinwheel does not rotate in a closed area?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
The rotation of a pinwheel in an open area is caused by moving air. Because there is no moving air or wind in a closed area, the pinwheel does not rotate. The motion of a pinwheel is determined by the pressure/force exerted by the air on the pinwheel. Because of the lack of air movement, a pinwheel does not rotate in a closed area.
 
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