MotionMotion

How to Describe MotionHow to Describe Motion

There is one thing always needed when someone There is one thing always needed when someone wants to talk about motionwants to talk about motion

A Frame of Reference– a system of objects that A Frame of Reference– a system of objects that are not moving with respect with one anotherare not moving with respect with one another

DistanceDistanceDistance is the Distance is the length of a path length of a path between two pointsbetween two points

The SI unit for The SI unit for distance is (m)distance is (m)

Relative MotionRelative MotionIs movement in Is movement in relation to frame of relation to frame of referencereference

ExampleExample

People on a People on a platform as a train platform as a train passes bypasses by