CLASS 9 SCIENCE CHAPTER-11 WORK AND ENERGY

Question 1. A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force. Let us take it that the force acts on the object through the displacement. What is the work done in this case?Solution :Since Work (W)= Force (F) x displacement (d) = 7 …

CLASS 9 SCIENCE CHAPTER-11 WORK AND ENERGY Read More »