Q. One joule of work is said to be done when__:
Answer: a force of 1 N causes a displacement of 1 m.
Notes: The joule is the unit of energy in the International System of Units. It is equal to the work done on an object when a force of one Newton acts on that object in the direction of the force's motion through a distance of one meter. One joule of work is said to be done when a force of 1 N causes a displacement of 1 m.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 3 in Physics GK 05 - Work, Energy and Power in above course in App.