---
title: Mechanical Engineering
description: The engineering of motion and machines: thermodynamics, fluid mechanics, heat transfer, and control systems.
category: engineering
url: /subcategory/engineering/mechanical-engineering
---

# Mechanical Engineering

The engineering of motion and machines: thermodynamics, fluid mechanics, heat transfer, and control systems.

## Available Subjects

### 3D Printing

3D printing turns digital models into physical parts. You will learn FDM and resin printers, slicing, materials, calibration and design-for-printing, from first print to functional engineering parts.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 3 websites

[Learn 3D Printing](/subject/three-d-printing)

### Aerodynamics

Aerodynamics is the study of how gases interact with moving bodies, particularly aircraft. You will understand the principles of lift, drag, thrust, and gravity, and how to analyze airflow to design efficient flight vehicles.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 3 books, 1 courses, 2 websites

[Learn Aerodynamics](/subject/aerodynamics)

### CAD (Fusion 360, SolidWorks, AutoCAD)

Computer-aided design is how parts and products are modelled. You will learn sketching, parametric modelling, assemblies and drawings in Fusion 360, SolidWorks or AutoCAD, and design-for-manufacture habits.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 1 books, 1 courses, 2 websites

[Learn CAD (Fusion 360, SolidWorks, AutoCAD)](/subject/cad-solidworks-fusion-360)

### Control Systems

This field focuses on the mathematical modeling, analysis, and feedback control of dynamic systems. Learners will understand how to design controllers to regulate the behavior of mechanical, electrical, and thermal systems.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 3 books, 1 courses, 3 websites

[Learn Control Systems](/subject/control-systems)

### Control Theory

Control theory deals with influencing the behavior of dynamical systems using feedback loops. Learners will understand how to design controllers, analyze system stability, and optimize performance in engineering, robotics, and automated processes.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 2 courses, 1 websites

[Learn Control Theory](/subject/control-theory)

### Electric Vehicle Engineering

Electric vehicles replace engines with motors, batteries and power electronics. You will learn EV powertrains, battery packs, charging, thermal management and how EVs differ to maintain and design.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 2 courses, 2 websites

[Learn Electric Vehicle Engineering](/subject/electric-vehicles)

### Engineering Drawing & GD&T

Engineering drawings communicate design intent to manufacturing. You will learn orthographic projection, tolerancing, geometric dimensioning and tolerancing (GD&T) per ASME Y14.5 and how to read and create production drawings.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 2 websites

[Learn Engineering Drawing & GD&T](/subject/gd-and-t-engineering-drawing)

### Finite Element Analysis & CFD

FEA and CFD simulate stresses, heat and fluid flow numerically. You will learn the underlying methods, meshing, boundary conditions, validation and how to use tools such as ANSYS, Abaqus or OpenFOAM responsibly.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 3 courses

[Learn Finite Element Analysis & CFD](/subject/finite-element-analysis)

### Fluid Mechanics

Fluid mechanics is the study of fluids (liquids and gases) at rest and in motion. Learners analyze fluid behavior under various forces, calculate pressure drops, and design piping systems, pumps, and aerodynamic structures.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 4 books, 2 courses

[Learn Fluid Mechanics](/subject/fluid-mechanics)

### Heat Transfer

Heat transfer examines how thermal energy moves through conduction, convection, and radiation. Students learn to calculate heat flow rates, design heat exchangers, and analyze thermal management systems in industrial and electronic applications.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 1 courses, 2 websites

[Learn Heat Transfer](/subject/heat-transfer)

### Industrial & Product Design

Industrial design creates the physical products we use. You will learn design process, sketching and CAD, materials and manufacturing, ergonomics and the classics of product design thinking.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 4 books, 1 courses, 1 websites

[Learn Industrial & Product Design](/subject/industrial-and-product-design)

### Introduction to Mechanical Engineering

This introductory subject covers the fundamental principles of forces, energy, motion, and materials. Learners will understand how these concepts apply to the design, analysis, and manufacturing of physical devices and mechanical systems.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 2 websites

[Learn Introduction to Mechanical Engineering](/subject/introduction-to-mechanical-engineering)

### Machine Design

This topic covers the principles of designing and selecting mechanical components like gears, bearings, shafts, and fasteners. Learners will understand how to analyze stress, fatigue, and failure modes to create reliable machines.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 3 books, 1 courses, 1 websites

[Learn Machine Design](/subject/machine-design)

### Manufacturing Processes

This subject details the methods used to shape, join, and finish engineering materials, including casting, machining, forming, and additive manufacturing. Learners will understand how to select appropriate processes based on design specifications.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 3 books, 1 courses, 3 websites

[Learn Manufacturing Processes](/subject/manufacturing-processes)

### Mechanics of Materials

This subject analyzes the internal stresses, strains, and deformations of solid bodies under external loads. Learners will understand how to calculate structural strength, deflection, and stability to prevent mechanical failure.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 2 courses, 3 websites

[Learn Mechanics of Materials](/subject/mechanics-of-materials)

### Nuclear Energy & Fusion

Nuclear fission and fusion release energy from atomic nuclei. You will learn reactor physics, safety and waste, the fusion challenge and the technology and policy debates around nuclear power.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 1 books, 1 websites, 1 papers

[Learn Nuclear Energy & Fusion](/subject/nuclear-energy)

### Nuclear Engineering

Nuclear engineering covers the design and operation of systems that harness nuclear reactions, from reactor physics and thermal-hydraulics to fuel cycles, radiation shielding, and plant safety. You will understand how reactors generate and control power, and how safety and risk are assessed.

**Difficulty:** Intermediate, Advanced

**Resources:** 2 books, 2 courses, 1 websites, 2 papers

[Learn Nuclear Engineering](/subject/nuclear-engineering)

### Robotics & Mechatronics

This interdisciplinary field integrates mechanical engineering, electronics, computer science, and control theory. Learners will understand how to design, build, and program smart machines, sensors, actuators, and automated systems.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 1 courses, 5 websites

[Learn Robotics & Mechatronics](/subject/robotics-and-mechatronics)

### Statics & Dynamics

This foundational subject covers the behavior of physical bodies under the action of forces. Learners will understand how to analyze stationary structures in equilibrium and model the motion and forces of accelerating systems.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 2 books, 3 courses, 2 websites

[Learn Statics & Dynamics](/subject/statics-and-dynamics)

### Thermodynamics

Thermodynamics explores the relationships between heat, work, entropy, and energy. Students analyze phase equilibria, chemical reactions, and power cycles, gaining the ability to predict system behavior and calculate the efficiency of energy conversion systems.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 6 books, 3 courses

[Learn Thermodynamics](/subject/thermodynamics)

### Watchmaking & Horology

Horology is the science and craft of timekeeping. You will learn how mechanical movements work, from mainspring and gear train to escapement and balance, how to service a watch, and the history of clock and watch design.

**Difficulty:** Beginner, Intermediate, Advanced

**Resources:** 3 books, 1 websites

[Learn Watchmaking & Horology](/subject/watchmaking-and-horology)

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