MEDIUM
4th CBSE
IMPORTANT
Earn 100

 How can you say that friction slows down the movement of an object?

Important Questions on Force, Work and Energy

MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q A
 When do we say that work is done?  
MEDIUM
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q A
Why do we use simple machines? 
EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q B

Choose the right words:

Name the force responsible for the falling of ripe fruits. (Magnetic force, Gravitational force)

EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q B
Which force helps us to write on a paper?
EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q B
What is wind energy? 
EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q A
A push or a pull is called 
EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q A
A device that makes our work faster and easier is known as a simple
EASY
4th CBSE
IMPORTANT
LEARNING SCIENCE Integrated with Environmental Education 4..>Chapter 11 - Force, Work and Energy>Exercises>Q B

Select the odd one. Give a reason for your choice.

wedge   pulley   ball