Coulomb Law

Which is the value of the constant in Coulomb's equation?

• k = 9·10^-9

• k = 9.8

• k = 6.67·10^-11

• k = 9 ·10⁹

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NGSS.HS-PS2-4

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

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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

According to Coulomb's Law, what happens to the force between two charges if the charge of one is tripled and the distance between them is also tripled?

• The force remains unchanged

• The force is tripled

• The force is nine times greater

• The force is reduced to one-third

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NGSS.HS-PS2-4

NGSS.HS-PS3-5

What does Coulomb's Law describe?

• The relationship between electric current and magnetic fields

• The force between two charges being directly proportional to the product of their charges and inversely proportional to the square of the distance between them

• The rate of flow of electric charge

• The resistance offered by a material to the flow of electric current

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NGSS.HS-PS2-4

If the distance between two charges is halved, how does the force between them change according to Coulomb's Law?

• It is halved

• It is quartered

• It is doubled

• It increases by four times

Tags

NGSS.HS-PS2-4

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

• 2X

• 1/2X

• 4X

• 1/4X

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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

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NGSS.HS-PS2-4

When distance increases, electrostatic force ____________; we call this relationship ____________ proportional

• decreases;directly

• decreases;inversely

• increases;inversely

• increases;directly

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NGSS.HS-PS2-4

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

• Quadruples

• Doubles

• Stays the same

• Reduced by half

Tags

NGSS.HS-PS2-4