Coulomb Law

According to Coulomb's Law, when the distance increases, the electrostatic force ____________.

• increases

• decreases

• remains unchanged

• has no relationship to distance

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NGSS.HS-PS2-4

What would a negative value for F_e mean?

• The particles are moving away from each other

• The particles have the same charge

• The particles have opposite charges

• The particles are moving towards each other

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NGSS.HS-PS2-4

What kinds of particles do Coulomb's Law apply to?

• electrons

• protons

• neutrons

• neutral atoms

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NGSS.HS-PS2-4

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

• k_e = 9·10^-9

• k_e = 9.8

• k_e = 6.67·10^-11

• k_e = 9 ·10⁹

Tags

NGSS.HS-PS2-4

As the value of r increases, what happens to the value of F?

• F increases

• F decreases

• F never changes, q does

• Cannot know from the information

Tags

NGSS.HS-PS2-4

Coulomb's Law is __________ proportional.

• directly

• inversely

• polymetrically

• exponentially

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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

What does "r" measure?

• the distance between the two charged objects

• the amount of charge carried by the objects

• the amount of force between two charged objects

• the constant value for forces between the objects

Tags

NGSS.HS-PS2-4

What does F_e stand for?

• the electrostatic force

• the symbol for iron

• the constant for the charges

• the charges of the particles

Tags

NGSS.HS-PS2-4

What does q measure?

• the distance between the two charged objects

• the amount of charge carried by the object

• the amount of force between two charged objects

Tags

NGSS.HS-PS2-4