Quiz 7: Coulomb's Law

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

• 2X
• 1/2X
• 4X
• 1/4X

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NGSS.HS-PS2-4

What happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?

• 4X
• 6X
• 1/2X
• 1/6X

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NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

• Quadruples
• Doubles
• Stays the same
• Reduced by half

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NGSS.HS-PS2-4

If the distance doubles, what happens to the force?

• Reduced by half
• Reduced by 1/4
• Stays the same
• Quadruples

Tags

NGSS.HS-PS2-4

Recap:

Coulomb’s law states that the force between two charged objects will __________ when the magnitude of the object’s charge increases.

Coulomb’s law also states that the force between two charged objects will __________ when the distance between objects increases.

• increase; increase

• increase; decrease

• decrease; increase

• decrease; decrease

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the magnitude of charge on q2 doubles?

• 9.6 N

• 4.8 N

• 1.2 N

• .6 N

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NGSS.HS-PS2-4

The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the distance doubles?

• 4.8 N

• 1.2 N

• .6 N

• .3 N

Tags

NGSS.HS-PS2-4

Approximately how much force would be generated by two charged objects held 2 m apart, if q₁ has a charge of 3.0 C and q₂ has a charge of 4.0 C?

• 0.5 N

• 1.5 N

• 3 N

• 6 N

Tags

NGSS.HS-PS2-4

The Electric Force is strongest when charges are...

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

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NGSS.HS-PS2-4

The Coulomb is the unit for:

• Charge

• Force

• Distance

• Mass

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NGSS.HS-PS2-4