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Order the energy transformations and drivetrain stages from the fuel in the tank to traction at the tire contact patch.

  • Gas pressure pushes piston and turns crankshaft (mechanical work → shaft rotation)

  • Axles rotate wheels; tires generate traction at contact patch (mechanical → tractive force)

  • Fuel (chemical energy stored in hydrocarbons)

  • Differential splits torque left/right while allowing different wheel speeds (mechanical rotation)

  • Combustion in cylinder creates hot, high-pressure gas (thermal/pressure energy)

  • Transmission gears adjust torque/speed delivered to driveshaft (mechanical rotation, different ratio)

Course
Modern Passenger Car Systems: A Practical Beginner’s Guide
9 units41 lessons
Topics
Automotive TechnologyAutomotive EngineeringMechanical Engineering (applied, low-math focus)Electrical and Electronic Engineering (automotive focus, conceptual level)Computer Engineering / Embedded Systems (ECUs, OBD, networks, conceptual level)Control Systems / Mechatronics (modern electronically controlled systems, conceptual)
About this course

Explore how modern passenger cars work as integrated systems, from the engine to the taillights, using clear, low-math explanations. The focus spans the internal combustion engine, its support systems, and how power flows through the drivetrain to the wheels. It covers steering, suspension, braking, and the fundamentals of automotive electrical and electronic systems including ECUs, sensors, and vehicle networks. Safety, comfort, and driver-assist systems are introduced conceptually, along with practical maintenance basics and simple diagnostic approaches for real-world understanding.