Activity 11.9 Class 9 Science Chapter 11
Activity 11.9 Class 9 Science
belongs to Chapter 11 Work and Energy Class 9 Science. You will get a
complete solution with an explanation and conclusion. After reading activity
11.9, you will be able to answer the questions based on the activity.
Activity 11.9 Class 9 Science Work and Energy
You are suggested to study NCERT activity 11.9 class 9 science
chapter 11Work and Energy explanation with a conclusion so that you can attempt
questions based on activity 11.9 class 9 science.
Activity 11.9 Class 9 Science
· Take
a slinky.
· Ask
a friend to hold one of its ends.
· You
hold the other end and move away from your friend. Now you release the slinky.
· What
happened?
· How
did the slinky acquire energy when stretched?
· Would
the slinky acquire energy when it is compressed?
 |
| Activity 11.9 Class 9 Science Chapter 11 Work and Energy |
Observation of activity 11.9 class 9 science
When the slinky is stretched, its shape changes, and when
it is released, it gets its original shape again.
Explanation of activity 11.9 class 9 science
When slinky is stretched, work is done on it and it
acquires potential energy. On releasing, potential energy is used as kinetic energy
and the slinky tries to get its original shape.
When the slinky is compressed, then this time also slinky
acquires elastic potential energy. The work done is compressing it and it gets
converted into its potential energy.
When it is released, it gets its original shape.
Conclusion of activity 11.9 class 9 science
This activity explains that energy is stored in any
object when its shape is changed and this form of energy is known as Potential
energy.
Related Topics
1. Activity 11.10 Class 9 Science
2. Activity 11.8 Class 9 Science
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