MEDIUM
Earn 100

Find any five examples to show that friction is helpful for us.

 

Important Questions on Force, Work and Energy

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
To stop a moving object, we need to apply _____.
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force
What is the force of friction?
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
If the force applied on the object is in the direction of its motion?
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force

Pooja is playing carom with her friend. What brings the striker to stop? 

Question Image

 

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
What is frictional force? Explain with an example.
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force
When we pull a rubber band, it gets stretched. Why?
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Force can change the shape of objects.
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force

State the effect of force F in of the following diagram.
Question Image

 

MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Why is friction essential for us?
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Which of these statements is wrong about the force?
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force

Force can change the shape of an object.

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force

Do you apply force to change the shape of an object?

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force

Fill in the blank with an appropriate word:

A _____ [light/force/sound] can change the shape of a ball.

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force

What is friction? How is it a beneficial force?

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Chinmaya was playing with a toy car. He could easily push it on the tiled floor but as he reached the carpet, he had to apply more force to push; explain why?
 
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Explain the way force can change the shape of an object.
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Cotyledons are also called-
MEDIUM
Environmental Studies>Exploring the World>Force, Work and Energy>Force

In which of the following pictures is the person doing more work?

Question Image

EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
A force applied on an object may change its ________.
EASY
Environmental Studies>Exploring the World>Force, Work and Energy>Force
Give reasons why a rolling ball stops by itself after covering a short distance?