Question

कार्य किसे कहते हैं सूत्र तथा मात्रक लिखिए​

Answer 1

Answer:

if a person Putting external force on a body ,and body moves in the direction of force.then we called it work done in physics .

if a person exert force on wall ,but wall doesn't move in the direction of force,then we can't call it works done,even the person exert force and get tired.