MCQ practice · SSC Physics Board questions · Chapter 2: Motion
Which of the following is a vector quantity?
Think it through first, then pick an option.
- a Temperature
- b Work
- c Force
- d Mass
Answer and explanation
Correct answer: c Force
Force is the book's example of a vector: to express it a direction has to be given along with the magnitude.
Why the other options are wrong
- a Temperature: Temperature is the book's example of a scalar: 37°C is expressed by one number.
- b Work: Work is not an example of a vector. In this chapter the book names position, velocity and force as vectors.
- d Mass: Mass is the book's example of a scalar: it can be expressed by a single number.
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