eli5 how small motors and rotating things work? Where does the rotating start?

136 views

Take something like a drill.

I understand its electric, I understand that in some way the electricity makes sothing move and then that movement is turned into spinning through gears and engineering magic.

But where does the initial movement come from? All i can picture is something is spinning or rotating because something else is rotating. But it has to start somewhere right?

In: 0

10 Answers

Anonymous 0 Comments

Most of the motors you’re probably thinking of are DC motors. Here’s a video that introduces current and electromagnetism in the context of DC motors and how they work.

It basically has to do with a careful alignment of permanent magnets and electromagnetism produced by switching polarity (like positive and negative terminals of a battery).

You are viewing 1 out of 10 answers, click here to view all answers.