The Force That Turns

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Electric motors and generators use electromagnetic principles to turn electrical energy into motion—and motion back into electricity. The Force That Turns explains how these machines work, from the behavior of magnetic fields to the devices used in homes, vehicles, and industry.

Build from basic demonstrations with magnets and coils to concepts such as torque, speed, power, cores, air gaps, induction, and transformers. The book compares motor types and describes how sensors and feedback help machines respond and operate.

It also follows these ideas into real-world applications, including electric vehicles, regenerative braking, robotics, audio systems, renewable energy, and magnetic levitation. The explanations are aimed at making the underlying physics easier to picture, whether you are studying electromagnetism, making a project, or simply curious about the machines around you.

The Force That Turns is an accessible introduction to the connection between electricity, magnetism, and motion.