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Motion — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceMotion1 Mark
MCQ
Choose the correct statement:
  • A
    Velocity determines direction of motion of a body
  • B
    Acceleration determines direction of motion of a body
  • C
    Both velocity and acceleration determine direction of motion of a body
  • D
    Neither velocity nor acceleration determine direction of motion of a body
✓

Answer

  1. Velocity determines direction of motion of a body

Explanation:

Velocity, being a vector, gives the direction of the change of position of a body.

Hence it determines the direction of motion of a body.

In contrast, acceleration doesn't need to relate to the direction of motion.

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