Position , Path Length And Displacement
Chapter Name : Motion In A Straight Line |
Sub Topic Code : 101_11_03_02_01 |
Topic Name : Position , Path Length And Displacement |
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Sub Topic Name : Position |
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Introduction
? How position is measured? ? Importance of position in describing motion.
Pre-Requisites:
Basic idea about motion and co-ordinate systems
Activity:
Develop a knowledge of change in position in day to day life Understand the concept of frames of reference.
Real Life Question:
? If you are sitting in a car, is the position of car changing ?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Motion Position | Change in position of an object with time. The position is said to be changed if there is a change in co-ordinates of an object with time. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| nil | nil |
Real life uses :
Almost every object around us is in motion and changes its position with time and with respect to some reference point.
Places to visit :
nil
Practical examples around us
| Examples | Explainations |
|---|---|
| A car moving on a road | When a car moves on a road, it changes its position continuously with time. So there is a change in co-ordinates of the car with time with respect to a reference. |
What you learn in Theory:
What is meant by change in position and how is it measured?
What you learn in Practice:
Examples of change in position and how we use co-ordinate axes.