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Motion — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceMotion1 Mark
Question
(1) In uniform circular motion, tangential acceleration is zero (2)In uniform circular motion, velocity is constant.
✓

Answer

  1. 1 is true and 2 is false
Explanation:
In uniform circular motion tangential acceleration is zero because angular velocity of motion is constant.
And the speed is uniform. But velocity of the particle in uniform circular motion keeps on changing.

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