Energy
Chapter Name : Work And Energy |
Sub Topic Code : 101_09_11_02_03 |
Topic Name : Energy |
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Sub Topic Name : Kinetic Energy |
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Introduction
Every moving body has Kinetic Energy. Mathematically, it is equal to half of the product of mass and square of the speed of the body. It is also equal to the work done on the body.
Pre-Requisites:
Mass, Speed, Work, Energy
Activity:
Develop knowledge of kinetic energy in day to day life. Understand the difference between kinetic and other types of energies.
Real Life Question:
Why does a moving bullet pierce the target?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Energy | Ability to do work. |
| Kinetic | Related with motion. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Wind | Observe how it blows and moves anything in its path. |
| Ball | Observe how its kinetic energy changes as you throw it or let it fall from a height. |
Real life uses :
Blowing wind helps in generating Wind Power in turbines.
Places to visit :
Visit any stadium nearby and observe the motion of ball in a Basketball or Cricket match.
Practical examples around us
| Examples | Explainations |
|---|---|
| An ant walking on floor. | When the ant moves, it has kinetic energy. |
What you learn in Theory:
What is Kinetic Energy and how it is related to the work done.
What you learn in Practice:
Appreciate the significance of Kinetic energy in our daily lives.