Coulomb's law

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

• increases

• decreases

• remains unchanged

• has no relationship to distance

The Coulomb is the unit for:

• Charge

• Force

• Distance

• Mass

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

• it doubles

• it is cut in half

• it quadruples

• it is cut by 1/4

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

What is the unit for electrostatic charge?

• Coulombs

• Newtons

• Meters

• Joules

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

• increase

• decrease

• stay the same

• first increase, then decrease

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

Select all answer that apply:

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

• electrons

• protons

• neutrons

• neutral atoms

A repulsive force exists between which two particles?

• Two neutrons

• An electron and a neutron

• An electron and a proton

• Two protons

The variable "r" in Coulomb's Law would have what units?

• Joules

• Coulombs

• Newtons

• Meters