Non Contact Forces Review

Front

What is a non-contact force?

Back

A force that can act on an object without physical contact, such as gravitational, magnetic, and electric forces.

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

How can an electromagnet be used in a junkyard?

Back

It can move heavy objects made of iron.

Front

What is an insulator?

Back

A material through which charges cannot move easily.

Front

What is a conductor?

Back

A material that allows electric charges to flow easily.

Front

What happens when you bring the south ends of two magnets close together?

Back

They repel each other.

Front

What does the south pole of a magnet do?

Back

It attracts a north pole.

Front

What is magnetic attraction?

Back

The force that pulls two magnets towards each other.

Front

What is magnetic repulsion?

Back

The force that pushes two magnets away from each other.

Front

How can you create an electric current in a wire coil?

Back

By moving a bar magnet in and out of the wire coil.