A porter carries a suitcase on his head and walks along a level road at constant speed
PHYSICS · Multi-part · CBSE · Physics · Work and Energy · Work and Energy
Problem
A porter carries a 20kg suitcase on his head and walks 50m along a level road at constant speed. Answer the following:
(i) What is the angle between the force exerted by the porter on the suitcase and the displacement of the suitcase?
(ii) What is the work done by this force? Give reason in one sentence.