Class 12 Mathematics - Chapter Vector Algebra NCERT Solutions | Classify the following measures as scala

Welcome to the NCERT Solutions for Class 12th Mathematics - Chapter Vector Algebra. This page offers a step-by-step solution to the specific question from Exercise 1, Question 2: classify the following measures as scalars and vec....
Question 2

Classify the following measures as scalars and vectors.

(i) 10 kg (ii) 2 metres north-west (iii) 40°

(iv) 40 watt (v) 10–19 coulomb (vi) 20 m/s2

Answer

(i) 10 kg is a scalar quantity because it involves only magnitude.

(ii) 2 meters north-west is a vector quantity as it involves both magnitude and direction.

(iii) 40° is a scalar quantity as it involves only magnitude.

(iv) 40 watts is a scalar quantity as it involves only magnitude.

(v) 10–19 coulomb is a scalar quantity as it involves only magnitude.

(vi) 20 m/s2 is a vector quantity as it involves magnitude as well as direction.

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