Types of energy

Types of energy

Energy can be classified into two main forms: Kinetic energy (energy of motion) and Potential energy (energy stored in a system)

List

Mechanical energy or motion energy

Sum of kinetic energy (energy of motion) and the potential energy (energy stored in a system). Example – Mechanical energy of hammer that allows a nail to go into the wall

Types of energy - mechanical energy or motion energy

Gravitational energy

Energy stored in an object due to its height relative to other objects. Example – Motorcycle jumping from a hill has the gravitational energy

Types of energy - gravitational energy

Elastic energy

Energy stored in an object when it is stretched or compressed. Example – Energy stored in a stretched resistance band is the elastic energy

Types of energy - elastic energy

Light energy

Energy emitted in the form of electromagnetic radiation by hot objects such as a torch, laser, or bulb. Example – Sun emits the light energy on the planet earth

Types of energy - light energy

Nuclear energy

Energy released by the nucleus of an atom during a nuclear fusion or fission reaction. Example – Nuclear power plants uses nuclear energy to generate electricity

Types of energy - nuclear energy

Electromagnetic energy

Energy of electromagnetic radiation, present in an electromagnetic wave. Example – Radio wave is a form of electromagnetic energy

Types of energy - electromagnetic energy

Sound energy or sonic energy

Energy produced when an object or a substance vibrates. Example – Playing a trumpet produces the sound energy

Types of energy - sound energy or sonic energy

Radiant energy

Energy emitted in the form of electromagnetic waves. Example – Energy emitted from x-ray is a form of radiant energy

Types of energy - radiant energy

Geothermal energy

Energy generated within the subsurface of the earth. Example – Geothermal power plants uses geothermal energy to generate electricity

Types of energy - geothermal energy

Electrical energy

Energy produced due to the movement of electrons. Example – Laptop uses the electrical energy

Types of energy - electrical energy

Chemical energy

Energy stored in the bonds of chemical compounds, seen when it is released or absorbed during a chemical reaction. Example – Food that we eat contains the chemical energy

Types of energy - chemical energy

Kinetic energy

Energy that a moving object has due to its motion. Example – Bowling ball rolling towards the pin has the kinetic energy

Types of energy - kinetic energy

Potential energy

Energy stored in an object due to its position relative to other objects. Example – Energy stored in a compressed spring is the potential energy

Types of energy - potential energy

Thermal energy or heat energy

Energy produced when the atoms and molecules of a heated substance start moving faster and collide with each other, due to a rise in its temperature. Example – The hot tea has the thermal energy

Types of energy - thermal energy or heat energy

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