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NST1502 Portifolio 2024
- Course
- NST1502 (NST1502)
- Institution
- University Of South Africa (Unisa)
NST1502 Portifolio 2024
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NST 1502ASSIGNMENT 3
2024
Page 1 of 10
, 1.1 Define and explain the different forms of energy, providing real-world
examples for each. (Focus on the following forms of energy; Kinetic energy;
potential energy; thermal energy; chemical energy; electrical energy, light
energy, and sound energy).
The following are real-world examples of the various forms of energy:
1. Kinetic Energy
Definition: Kinetic energy is the energy of motion. Kinetic energy is present in any
object that is in motion. For instance, a river that is in motion or a vehicle that is in
motion. Kinetic energy is the energy that a projectile possesses as it travels through
the air when it is thrown.
2. Potential Energy
Definition: Potential energy is the conserved energy that is determined by the
position or state of an object. For instance, the gravitational potential energy of a
book on a shelf is a result of its elevated position above the ground. Potential energy
is also present in a compressed spring.
3. Thermal Energy
Definition: Thermal energy, or thermal energy, is the internal energy of substances,
which is characterized by the vibration and movement of atoms and molecules within
them. For instance, thermal energy is present in a steaming cup of coffee. Thermal
energy is also responsible for the warmth that you experience from sunlight.
4. Chemical Energy
Definition: Chemical energy is a form of energy that is held in the bonds of chemical
compounds and is released during a chemical reaction. For instance, the energy that
is stored in batteries, food, and fuels such as petroleum. In the process of consuming
sustenance, the body converts the chemical energy into thermal and kinetic energy.
5. Electrical Energy
Page 2 of 10
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