This article brings you the CBSE Class 9 Science notes on chapter 8 ‘Motion’ (Part-I) . These chapter notes are prepared by the subject experts and cover every important topic from the chapter. At the ...

The speed of an object does not require a direction to be considered, it simply has a value and unit, for example, 27 \(m\,s^{-1}\). Velocity is a vector quantity which requires a value, unit and ...

The gradient of a displacement-time graph at a particular time gives the velocity of the object at that time. The gradient of a velocity-time graph at a particular time gives the acceleration of the ...