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Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMotion1 Mark
MCQ
If a particle moves in a circle with constant speed, its velocity:
  • A
    Remains constant
  • B
    Changes in magnitude
  • C
    Changes direction
  • D
    Changes both in magnitude and directions
✓

Answer

  1. Changes direction

Explanation:

When a particle is under uniform circular motion, its direction of motion continuously changes, hence the magnitude of its velocity remains constant while its direction changes.

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