question_answer 1)

Classify the following measures as scalars and vectors. (i) 10 kg (ii) 2 metres north-west (iii) 40°(iv) 40watt (v) 10–19 coloumb (vi) 20m/sec2  

Answer:

(i) 10 kg is a scalar quantity (mass) (ii) 2 metres north west is a vector quantity (Displacement). (iii) 40° is a scalar quantity (degree measure) (iv) 40 watt is a scalar quantity (Power) (v) 10–19 coloumb is a scalar quantity (charge) (vi) 20 m/sec2 is a vector quantity (Acceleration)