Multiple choice

Velocity of a body is the

  1. change of its position

  2. rate of change of its position

  3. change of its position in a definite direction

  4. rate of change of its position in a definite direction
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Velocity is a vector quantity defined as the rate of change of position with respect to time in a definite direction. Unlike speed (which is scalar), velocity specifies both magnitude and direction. Option B only describes speed, while option D correctly includes both the rate aspect (speed) and the directional requirement that makes it velocity.

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