Unit 2 Test: Field Forces

repel

• to push objects away from each other
• to provide evidence that goes against a claim
• an object, diagram, or computer program that helps us
• when two objects come close together

Tags

NGSS.MS-PS2-5

Attract

• To pull objects close to each other
• to push objects away from each other
• to change from one type to another
• an electric current 

Tags

NGSS.MS-PS2-4

Opposite charges ____________.

• attract

• repel

• neutral

Tags

NGSS.MS-PS2-3

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

As two oppositely charged particles approach each other, what happens to the electrical force between them?

• The attractive force increases

• The magnitude of the electric force decreases

• The repulsive force increases

• The magnitude of their charges increases

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The Electric Force is strongest when charges are...

• close together
• far apart
• the electric force is constant everywhere

Tags

NGSS.MS-PS2-3

What happens to the force between two charged objects when you halve the distance between them?

• 2X

• 1/2X

• 4X

• 1/4X

Tags

NGSS.HS-PS2-4

If one of the charges doubles, what happens to the force?

• it doubles

• it gets cut in half

• it quadruples

• it is cut by 1/4

Tags

NGSS.MS-PS2-3

The Electric Force is strongest when charges are...

• close together
• far apart
• the electric force is constant everywhere

Tags

NGSS.MS-PS2-3

Coulomb's law says that the force between any two charges depends

• directly on the size of the charges

• inversely on the square of the distance between the charges

• both are correct

Tags

NGSS.HS-PS2-4