Question

Classify the following as scalar and vector quantities. (i) time period (ii) distance (iii) force (iv) velocity (v) work done

Answer 1

Scalar quantities are those quantities which have only magnitude.

Vector quantities are those quantities which have both magnitude and direction.

(i)

Time period only tells the time taken to complete one revolution, which has only magnitude. Thus, it is a scalar quantity.

(ii)

Distance has only magnitude.

Thus, it is a scalar quantity.

(iii)

Force has magnitude as well as direction.

Thus, it is a vector quantity.

(iv)

Velocity has both magnitude and direction.

Thus, it is a vector quantity.

(v)

Work done has only magnitude.

Thus, it is a scalar quantity.