Increasing And Reducing Friction
Chapter Name : Friction |
Sub Topic Code : 101_08_12_04_01 |
Topic Name : Increasing And Reducing Friction |
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Sub Topic Name : Increasing And Reducing Friction |
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Introduction
If friction depends on physical factors, they can be altered to get the required friction.
Pre-Requisites:
Force, Friction
Activity:
Grease is applied in cars, Some gymnasts applying a coarse substance on hands to get a better grip by increasing friction
Real Life Question:
Why do we slip on a soapy floor?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Lubricant | A substance which reduces the rubbing action between 2 components and thus reduces friction. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Lubrication for your cycle | Next time you get your cycle repaired, see how the mechanic adds oil to your gear and chain to give a smooth ride. |
Real life uses :
Automobiles and machine applications involve lubrication, Gymnasts use coarse powder to increase friction and obtain better grip
Places to visit :
Car Workshop - You can see them applying lubricants to cars, cycle repair shop
Practical examples around us
| Examples | Explainations |
|---|---|
| Lubricant in cars | Increase efficiency of the engine and life of components by reducing wear. |
What you learn in Theory:
How friction can be increased or decreased based on need.
What you learn in Practice:
What are the substances, how and where are they applied to reduce or increase the friction.