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Motion and Time — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceMotion and Time1 Mark
MCQ
When will a body have zero speed?
  • A
    When a body has uniform acceleration.
  • B
    When a body has non $-$ uniform acceleration.
  • ✓
    When a body is at rest.
  • D
    When a body is under motion.
✓

Answer

Correct option: C.
When a body is at rest.
The distance travelled by a body per unit time is known as speed.
Speed $=\frac{\text{Distance}}{\text{Time}}$
A body has zero speed when it has zero distance covered in an interval of time and hence the body is at rest.

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