This article brings you the CBSE Class 9 Science notes on chapter 8 ‘Motion’ (Part-II). In the previous part, i.e., CBSE Class 9 Science notes on chapter 8 ‘Motion’ (Part-I), you learned about motion ...

NCERT based Class 11 Physics chapter notes on Chapter 3, Motion in a Straight Line are available here. These notes are helpful for quick revision of the chapter. This article is continuation of Class ...

Friction is a force that opposes motion. It is present whenever two surfaces rub over each other, such as when you rub your hands together, or when you apply the brakes on a bike or in a car. Friction ...

Of the above u, v, a and s are vector quantities. As such, remember to make vectors going in one direction positive and vectors in the opposite direction negative. Time (t) is a scalar quantity. If ...