question_answer

In order to find out force exerted by his car, Manoj plotted a velocity-time graph for his journey along a straight highway. He wondered if he did not accelerate after 1 min, where was the fuel spent by engine going. His wife then told him how his car  was overcoming friction due to road. (i) What are the values of Manoj? (ii) With what values is his wife equipped with? (iii) How will  they  find  their total displacement?

Answer:

                                 (i) Manoj is experimental, observant, scientific and skilful.                                           (ii) His wife is practical, logical and an analyst. (iii) Displacement = Area under the \[v-t\] curve.