Q16.2 Electric Force (Coulomb's Law)

Increasing the distance between two charges by a factor of 9 has what effect on the force?

• Increases force by a factor of 9
• Decreases force by a factor of 9
• Increases force by a factor of 81
• Decreases force by a factor of 81

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 variable do "Newtons" represent?

• Electrostatic Charge
• Force
• Distance
• Mass

Tags

NGSS.HS-PS2-1

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

• 2X
• 1/2X
• 4X
• 1/4X

Tags

NGSS.HS-PS2-4

What happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?

• 4X
• 6X
• 1/2X
• 1/6X

Tags

NGSS.HS-PS2-4

If each of the charges doubles, what happens to the force?

• Quadruples
• Doubles
• Stays the same
• Reduced by half

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

If the distance doubles, what happens to the force?

• Reduced by half
• Reduced by 1/4
• Stays the same
• Quadruples

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

Electrical forces are stronger than gravitational forces.

• True

• False

Tags

NGSS.HS-PS2-4