EASY
9th CBSE
IMPORTANT
Earn 100

What is the product of force and displacement called?

Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 5
What is the work done in case of a satellite moving around the earth?
EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 6
Name the physical quantity that defines the rate of doing work.
EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 7
What is the work done against gravity when a body is moved along a frictionless surface?
EASY
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 8
What happens to potential energy of the body when it is thrown upward?
MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 9

Name the kind of energy stored in a dam?

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 10
What do you understand by a closed system?
MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 1

What is the work done by a coolie walking on a horizontal platform with a load on his head? Explain.

MEDIUM
9th CBSE
IMPORTANT
Secondary Physics>Chapter 5 - Work and Energy>EXERCISES>Q 2

Under what conditions the work done by a force is (i) maximum, (ii) minimum?