EASY
9th CBSE
IMPORTANT
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When velocity becomes three times the original velocity, what is the new kinetic energy?

Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q A
What will bring more change in the kinetic energy of a moving body-doubling the speed or doubling the mass?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q A
At what angle should displacement be to get the maximum work done by a force?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q A
The moon goes around the earth in an orbit. What is the energy it spends in one complete revolution?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q B
Why does a man, carrying a load at rest, feel tired after some time even though he has not done any work?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q B

What will happen to the amount of work done if the magnitude of force applied is increased?

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q B

What will happen to the amount of work done if the displacement of body is reduced? 

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q C
Can a body possess energy even when it is not in motion? Explain.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 5 - Work and Energy>Higher Order Thinking Skills (HOTS) Questions>Q C
What happens to the kinetic energy when mass of body is doubled but its velocity is reduced to half?