Magnetic Forces

Front

Magnetic force can cause:

push only

,

pull only

,

a push or a pull

,

no change in motion at all

Back

a push or a pull

Front

Do objects need to touch to be affected by magnetic force?

Back

False

Front

What interaction will occur between the magnets in the arrangement shown?

Back

The magnets will repel each other.

Front

What interaction will occur between the magnets in the arrangement shown?

Back

The magnets will attract each other.

Front

Relationship between distance and magnetic force: increased distance = ?, decreased distance = ?

Back

increased distance = decreased magnetic force

Front

What is being shown by the magnetic force field lines?

Back

Attractive force by opposite poles

Front

Magnetic force field lines shown below

Back

Repulsive force by like poles

Front

Which diagram would produce the strongest magnetic force? Options: A, B, C, They are all equal in strength.

Back

B

Front

Which diagram below would produce the strongest magnetic force? Options:

A

,

B

,

C

,

D

Back

D

Front

What produces Earth's magnetic field?

Back

the Earth's iron core.