Force - magnet 1

Which set of magnets is not attracted correctly as compared to the other 3 sets?

• (1)

• (2)

• (3)

• (4)

Which set of magnets is not attracted correctly as compared to the other 3 sets?

• (1)

• (2)

• (3)

• (4)

Which set of magnets is not attracted correctly as compared to the other 3 sets?

• (1)

• (2)

• (3)

• (4)

Which set of magnets is not attracted correctly as compared to the other 3 sets?

• (1)

• (2)

• (3)

• (4)

Bar 1 and bar 2 are placed close together.

They attract to each other.

What can be concluded?

• Both bars are magnet.

• Both bars are magnetic materials.

• At least one bar is a magnet.

• At least one bar is a non-magnetic material.

Bar 1 and bar 2 are placed closed together.

They repel each other.

What can be concluded?

• Both bars are magnetic materials.

• Both bars are magnets.

• At least one bar is a magnet.

• At least one bar is a magnetic material.

Bar 1 and bar 2 are placed closed together.

They do not react to each other.

What can be concluded?

• Both bars are non-magnetic materials.

• Both bars are magnetic materials.

• At least one bar is a non-magnetic material.

• At least one bar is a magnetic material or non-magnetic material.

Bar 1 and bar 2 are placed closed together.

They repel each other.

What can be concluded?

• A and C are like poles.

• A and D are unlike poles.

• B and D are unlike poles.

• B and D are like poles.

Bar 1 and bar 2 are placed close together.

They are both magnets and attract to each other.

What can be concluded?

• A and C are unlike poles.

• A and D are like poles.

• B and D are like poles.

• B and D are unlike poles.

Which electromagnet has the strongest magnetic force?

• A

• B

• C

• D