Free CBSE Class 9 Science Unit 3-Motion, Force and Work Work and energy Worksheets

Download free printable Work and energy Worksheets to practice. With thousands of questions available, you can generate as many Work and energy Worksheets as you want.

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Sample CBSE Class 9 Science Unit 3-Motion, Force and Work Work and energy Worksheet Questions


 Energy can 


be created but can not be destroyed


not be created but can be destroyed


neither be created nor be destroyed


be created can be destroyed

How can any object have mechanical energy even if its momentum is zero?
Ramesh can run with a speed of 5 m/s against the frictional force of 20 N, and Suresh can move with a speed of 4 m/s against the frictional force of 30 N. Who is more powerful and why?
A light and a heavy object have the same momentum. Which one has a larger kinetic energy?
What happens to energy of the body when it is falled freely from the building?
What is the work done by the force of gravity on a satellite moving round the Earth?
Give an example of potential energy due to position.
A ball tied to a string is being whirled around in a circle. What amount of the work is done by tension?
Fill in the blanks: The __________ is the main source of energy on planet Earth.
Fill in the blanks: In a freely falling body, the interchange of potential to kinetic energy takes place _____________.

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