Here we bring you the CBSE Class 9 Science notes on chapter 9 ‘Force and Laws of Force and Laws of Motion’ (Part-I). These chapter notes are prepared by the subject experts and cover every important ...

Every action has an equal and opposite reaction. This is the most heard and talked of among Newton's three laws of motion. The science teacher had explained it very interestingly in school. The other ...

Newton’s First Law of Motion, also known as the Law of Inertia, says an object at rest will stay at rest and an object in motion will stay in motion in the same direction and with the same speed ...

Sir Isaac Newton proposed his First Law of Motion, the Law of Inertia, in 1687: A body at rest tends to remain at rest. A body in motion tends to stay in motion. Bodies will continue in their current ...

It’s a term in physics. Inertia refers to “the tendency of a body at rest to remain at rest or of a body in straight line motion to stay in motion in a straight line unless acted on by an outside ...

However hard you work on a topic, you cannot succeed until you practice the same. To help students get enough practice, NCERT books offer a variety of questions at the end of each chapter. These can ...