Introduction
Chapter Name : Laws Of Motion |
Sub Topic Code : 101_11_05_01_01 |
Topic Name : Introduction |
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Sub Topic Name : Introduction |
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Introduction
Why does a body move at all, we will learn in this topic.
Pre-Requisites:
Basic knowledge about uniform and non- uniform motion.
Activity:
Drop a stone from a building and see if there is any force on it or not.
Real Life Question:
Why a magnet attracts a iron nail without even contact?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| External Agency | Means of applying force to any body, so that the body can move. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Magnets | See how it attracts the iron nail or repels the another magnet. |
Real life uses :
To move any body. to stop any body to lift or press any body.
Places to visit :
Physics lab, Your home, outside home as well
Practical examples around us
| Examples | Explainations |
|---|---|
| Everything | everything moves due to the application of force on them. |
What you learn in Theory:
Force is required to move a body.
What you learn in Practice:
Force is needed to move any body. That force is always provided by some external means.