G7 Magnetic Forces

Magnetic force is a ________ force.

• contact

• non-contact

A magnet is cut straight down the middle between north pole and south pole. What will we see in the two fragments?

• One fragment will have only a north pole.

  The other fragment will have only a south pole.

• Both fragments will lose their magnetism.

• Both fragments will have a north pole and a south pole.

The strongest magnetic field is found...

• In the middle of a magnet

• At the poles of a magnet

The region around a magnet where the magnetic forces act is the ____.

• electromagnetic pole

• magnetic domain

• magnetic field

• magnetic pole

As the distance between two objects grows, the magnetic force between them:

• increases

• decreases

• stays the same

As the magnetic field strength of two objects increases, the magnetic force between them

• increases

• decreases

• stays the same

As the mass of two objects increases, the magnetic force between them

• increases

• decreases

• stays the same

A magnetic material is:

• a material that attracts iron and other materials that have magnetic qualities

• any material that is strongly attracted to a magnet

A magnet is:

• a material that attracts iron and other materials that have magnetic qualities

• any material that is strongly attracted to a magnet

Which of the following is NOT a magentic material?

• iron

• cobalt

• copper

• nickel