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NST1502 PORTFOLIO (ASSIGNMENT 4) ANSWERS 2024
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NST1502 PORTFOLIO(ASSIGNMENT 4) 2024
NST1502 PORTFOLIO (ASSIGNMENT 4)
2024
, NST1502
PORTFOLIO (Assignment 04)
QUESTION 1
Energy Basics [18 marks]
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). (14)
1. **Kinetic Energy**:
- **Definition**: Kinetic energy is the energy that an object possesses due to its
motion. The amount of kinetic energy depends on the mass of the object and its
velocity.
- **Example**: A moving car or a soccer ball being kicked. The faster it goes, the
more kinetic energy it has.
2. **Potential Energy**:
- **Definition**: Potential energy is the energy stored in an object due to its
position, condition, or configuration. It can be gravitational, elastic, or chemical
potential energy.
- **Example**: A book on a shelf has gravitational potential energy due to its height
above the ground. A stretched rubber band also has elastic potential energy.
3. **Thermal Energy**:
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