Coulomb's Law

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

• decreases;directly
• decreases;inversely
• increases;inversely
• increases;directly

Tags

NGSS.HS-PS2-4

What variable is a Coulomb the unit for?

• Charge
• Force
• Distance
• Mass

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

Tags

NGSS.HS-PS2-4

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

Coulomb’s law also states that the force between two charged objects will __________ when the distance between objects increases.

• increase; increase

• increase; decrease

• decrease; increase

• decrease; decrease

Tags

NGSS.HS-PS2-4

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-PS1-3

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

Tags

NGSS.HS-PS2-4

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

Tags

NGSS.HS-PS2-4

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

• Joules

• Coulombs

• Newtons

• Meters

Tags

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