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Read through the material below, then test your understanding.
Module Lessons
Scientific Principles
SI Units and Measurement
Properties of Solid Materials (Metals)
Properties of Solid Materials (Plastics & Ceramics)
Mechanical Properties
Corrosion of Metals
Other Forms of Corrosion
Degradation of Plastics
Properties of Liquids (Water)
Properties of Liquids (Others)
Properties of Gases
Temperature and Heat
States of Matter
Sensible and Latent Heat
Conduction and Convection
Radiation and Expansion
Energy, Heat, and Power Calculations
Velocity, Acceleration, and Flow Rate
Force and Pressure
Siphonic Action
Mechanical Principles
Forces in Action
Lesson Overview
Understanding how forces act on objects is essential for securing pipework, supporting heavy appliances, and using tools effectively. This lesson covers moments of force, centres of gravity, action and reaction, and mechanical equilibrium.
Learning Objectives
Calculate the moment of a force and explain how tool length alters turning effort.
Identify the centre of gravity in symmetrical, irregular, and hollow plumbing components.
Apply Newton's third law and the principles of equilibrium to pipe supports and brackets.
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