Measuring The Rate Of Motion
Chapter Name : Motion |
Sub Topic Code : 101_09_08_02_01 |
Topic Name : Measuring The Rate Of Motion |
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Sub Topic Name : Measuring The Rate Of Motion |
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Introduction
The description of motion as fast or slow can be done by specifying speed, rate of motion.
Pre-Requisites:
Describing Motion
Activity:
Draw a velocity-time graph of your movement on a treadmill.
Real Life Question:
The average speed of a car on a highway is 120Kmph. What does it mean?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Velocity | Rate of change of displacement |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Graph Paper & Spreadsheet software | Drawing displacement/time and velocity/time graphs. |
Real life uses :
You need to know the speed at which you are travelling in your car so that you don't get finned for speeding by traffic police.
Practical examples around us
| Examples | Explainations |
|---|---|
| Race Analysts | These group of people record the speeds of cars for analyzing the performance of engines, drivers and making required changes |
| Speedometer | The instrument that measures and displays the speed of the cars |
What you learn in Theory:
How to determine the speed by calculations
What you learn in Practice:
How the determination speed of different objects around us is important