Rest And Motion Motion: An object is said to be in motion when its position changes with time. Rest: An object is said to be at rest when...

Force : Push or pull is called Force. Example: We push or pull to open a door. Effects of Force Force can change the shape and size of an...

Basic terms and Definitions 1. Point - A Point is that which has no component. It is represented by a dot. 2. Line - When we join two...