How Does a Motor Work?

What happens when the North Pole of one magnet is brought near the North Pole of another?

• They repel each other.

• They create a spark.

• They attract each other.

• They cancel each other out.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What does an electrical current passing through a coil of wire create?

• An electromagnet

• A static charge

• A permanent magnet

• A light bulb

Tags

NGSS.MS-PS2-3

What is the function of a commutator in a motor?

• To generate electricity

• To reverse the polarity

• To cool the motor

• To increase the speed

Which of the following is NOT needed to build a homemade motor?

• A permanent magnet

• A light bulb

• A cork

• A coil of wire