Coulomb's Law

Which two particles are attracted to each other?

• Two neutrons

• A proton and an electron

• Two protons

• An electron and a neutron

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

A repulsive force exists between which two particles?

• Two neutrons

• An electron and a neutron

• An electron and a proton

• Two protons

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

NGSS.HS-PS1-3

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

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What happens to the electric force between two charges when the distance is tripled?

• 3 times less electric force

• 3 time more electric force

• 9 times less electric force

• 9 times more electric force

Tags

NGSS.HS-PS2-4

What is the SI unit for charge?

• Joules

• Coulombs

• Newtons

• Meters

Tags

NGSS.HS-PS2-4

Electrostatic force F is directly proportional to:

• r^2 (distance squared)
• q1
• q2
• both q1 and q2

Tags

NGSS.HS-PS2-4

The Electric Force is strongest when charges are...

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

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

NGSS.HS-PS3-5

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

Tags

NGSS.HS-PS2-4

A 5 C and 8 C are 8 m apart. What is the force between them?

• 5.625 x 10⁹

• 5.625 x 10^-9

• 4.5 x 10¹⁰

• 4.5 x 10^-10

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5