EASY
9th CBSE
IMPORTANT
Earn 100

What kind of energy is possessed by the following:
A stretched rubber band.

Important Questions on Work and Energy

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 23

The work done on a body moving in a circular path is _____ (maximum / zero).

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Very Short Answer Type Questions>Q 23
The sum of the potential and kinetic energies of a body is called _____ energy.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 24
What are the quantities on which the amount of work done depends? How are they related to work?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 25
Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 26

A boy throws a rubber ball vertically upwards. What type of work, positive or negative, is done here by the force applied by the boy?

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 26
A boy throws a rubber ball vertically upwards. What type of work, positive or negative, is done by the gravitational force of earth?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 27
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 4 - Work and Energy>Short Answer Type Questions>Q 28
How does the kinetic energy of a moving body depend on its speed ?