Advertisements
Advertisements
Question
In the following case, work is done or not done and why?
A boy sitting on his chair and preparing his lesson.
Short Answer
Advertisements
Solution
No mechanical work is done on the boy by the force supporting him, because he has no displacement. Preparing a lesson may involve mental effort, but it is not mechanical work in the physics sense.
shaalaa.com
Is there an error in this question or solution?
