3rd Quarterly Assessment in GENERAL PHYSICS 2

Which two particles are attracted to each other?

• An electron and a neutron

• A proton and an electron

A repulsive force exists between which two particles?

• Two protons

• Two neutrons

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

• The attractive force increases

• The magnitude of their charges increases

A balloon is rubbed on a student's head. What occurs because of this?

• Charged particles on the balloon are destroyed

• Negatively charged particles move from head to balloon

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

• increases; directly

• decreases;inversely

The Electric Force is strongest when charges are...

• close together

• far apart

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

• k = 9 ·10⁹

• k = 9·10^-9

Find the magnitude of the force between two charges of 1.0 C each which are 1.0 meter apart?

• 9^-9 N

• 9^9 N

What variable is a Coulomb the unit for?

• Charge

• Force

Which two particles are attracted to each other?

• A proton and an electron

• An electron and a neutron