EASY
8th ICSE
IMPORTANT
Earn 100

State the formula used to calculate the work done.

Important Questions on Energy

EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q 3
What is the SI unit of work?
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q 4
If either of the displacement or the force applied changes, how does the amount of work done get affected?
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q 5
A force of 45 N displaces a chair by 0.5 m. What is the amount of work done?
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q A
Mechanical energy is of two types - potential energy and kinetic energy.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q A
Kinetic energy of an object is the energy stored in it.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q A
Kinetic energy of an object depends on its mass and velocity.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q A
The energy stored in an object due to its raised position is known as elastic potential energy.
EASY
8th ICSE
IMPORTANT
Living Science Physics 8>Chapter 4 - Energy>Check your progress>Q A
A ball thrown from a balcony possesses kinetic energy.