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प्रश्न
A body is describing a uniform circular motion. Which of the following quantities is/are constant?
विकल्प
speed
acceleration
velocity
both speed and acceleration
MCQ
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उत्तर
Speed
Explanation:
In uniform circular motion, the speed remains constant. The direction of velocity changes continuously, so velocity is not constant. The direction of acceleration also changes, so acceleration is not constant as a vector.
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