question_answer

  An old coolie carries heavy luggage on his head at railway station. Nishant watches it from a distance and reaches to help him out. He helps the coolie in placing the luggage atits place. The coolie thanks Nishant for his kindness. Nishant ask him to be careful in future. Read the above passage and answer the following questions (a) What work was done by the coolie on the luggage from physics point of view? (b) Give reason for your reply in the above question. (c) What are the values of coolie and Nishant?

Answer:

  (a) Work done is zero.                            [1] (b) As force and displacement are at 90° ( Force i.e., weight of object acts vertically downwards and displacement is along horizontal direction) to each other.             (c) Coolie was laborious. Nishant was kind, helping and caring natured.