MCQ practice · SSC Physics Board questions · Chapter 2: Motion
Which of the following are vector quantities?
Think it through first, then pick an option.
- a Work and velocity
- b Displacement and density
- c Distance and acceleration
- d Momentum and force
Answer and explanation
Correct answer: d Momentum and force
Both are vectors: force is the book's example, and momentum has a direction (along the velocity).
Why the other options are wrong
- a Work and velocity: Work is a scalar, with magnitude only. Velocity is a vector, but the pair is not all vectors.
- b Displacement and density: Displacement is a vector, but density is a scalar with no direction. So the pair does not fit.
- c Distance and acceleration: Acceleration is a vector, but distance is a scalar: it is only how much ground was covered, with no direction.
More board questions on this topic
- Which pair of quantities are vector quantities?
- Which of the following is a vector quantity?
- Which of the following is a vector quantity?
- Which of the following is a vector quantity?
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