Q.

Which of the following words best describes the motion of a rotating ball tied to a rope that is tightly tied to fixed support?

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a

Spiral motion

b

Elliptic motion

c

Circular motion

d

Uniform motion

answer is A.

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Detailed Solution

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When a ball attached to a rope rotates around fixed support, the rope winds itself around the support. Then, the motion will be circular and decrease in radius. Because of this motion, the path will resemble a spiral. 

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