Different Types of Energy in Physics (Explained)

Types of Energy

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

Here are the different types of energy in physics:

  • #1 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

  • #2 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

  • #3 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

  • #4 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

  • #5 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

  • #6 Electromagnetic energy: Energy of electromagnetic radiation, present in an electromagnetic wave

Example: Radio wave is a form of electromagnetic energy

  • #7 Sound energy or sonic energy: Energy produced when an object or a substance vibrates

Example: Playing a trumpet produces the sound energy

  • #8 Radiant energy: Energy emitted in the form of electromagnetic waves

Example: Energy emitted from x-ray is a form of radiant energy

  • #9 Geothermal energy: Energy generated within the subsurface of the earth

Example: Geothermal power plants uses geothermal energy to generate electricity

  • #10 Electrical energy: Energy produced due to the movement of electrons

Example: Laptop uses the electrical energy

  • #11 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

  • #12 Kinetic energy: Energy that a moving object has due to its motion

Example: Bowling ball rolling towards the pin has the kinetic energy

  • #13 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

  • #14 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

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