EASY
9th CBSE
IMPORTANT
Earn 100

What is the relation between energy and amount of work done?

Important Questions on Work and Energy

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 11
List the different forms of energy.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 1
The amount of energy possessed by a body is equivalent to
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 2
If 20 J of work is done in moving a body from one place to another, the energy of the body is
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 3
If the mass of a moving body is tripled (v remaining constant), the kinetic energy of the body gets
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 4
If velocity of a moving body becomes one-fifth while the mass remains constant, the kinetic energy of the body _____.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 5
If both the mass and velocity of a body are doubled, the kinetic energy increases
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 6
Define one joule of energy.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Check Your Progress>Q 7
Define kinetic energy. Write its SI unit.