Friction- A Necessary Evil
Chapter Name : Friction |
Sub Topic Code : 101_08_12_03_01 |
Topic Name : Friction- A Necessary Evil |
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Sub Topic Name : Friction- A Necessary Evil |
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Introduction
Friction though increases work in many cases, in some it becomes really important.
Pre-Requisites:
Friction
Activity:
Lighting a match, Walking, Brakes in your car, worn out soles of shoes, screws, etc.
Real Life Question:
How are you able to walk to easily, isn't it because of friction?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Videos | Many videos are available which demonstrate and explain hoe friction is important. |
Real life uses :
Grip to hold things, Walking, Automobiles
Places to visit :
Automobile manufacturing unit
Practical examples around us
| Examples | Explainations |
|---|---|
| Car | *has brakes but parts also wear out |
What you learn in Theory:
Merits and Demerits of friction
What you learn in Practice:
Applications where it is necessary to increase friction