Ch-06: Work and Energy
This post contains Physics Chapter 6 Notes Class 9 and Short Questions for the students. Name of this Chapter is "Work and Energy". Here you will find some solved Short Questions with Answers. Learn these question answers and related stuff for exam preparation.
Q.1: Why fossil fuels are called the non-renewable form of energy?Ans. The fossils fuels are one used to get energy and consumed completely. So there are not renewable.
Q.2: A stone of mass 500g strikes the ground with a velocity of 20 mS-¹.