Coulomb's Law and Newton's Law of Gravitation Review

What variable do "Newtons" represent?

• Electrostatic Charge
• Force
• Distance
• Mass

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-3

The Electric Force is strongest when charges are...

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

Tags

NGSS.HS-PS2-4

What is the unit for Electric Force?

• Newton
• Couloumb
• Newtons/Couloumb
• Nano

Tags

NGSS.HS-PS2-4

How does a neutral object become positively charged?

• remove protons (positive charges)

• remove electrons (negative charges)

• add electrons (negative charges)

• add protons (positive charges)

Which two charges are attracted to each other?

• A positive and a negative charge

• Two negative charges

• Two positive charges

• Green and Yellow are both correct

A repulsive force exists between which two charges?

• Two positive charges

• A positive and a negative charge

• A neutral charge and a positive charge

• Charges don't exist

As two oppositely charged objects 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

What does Coulomb's Law State?

• The strength of the electrostatic force is determined by the size of the charge

• The strength of the electrostatic force is determined by the distance between the charges

• Both above statements are correct

• Charge cannot be created or destroyed

Two objects with the same charge will move away from each other

• attraction

• repel (repulsion)

• conduct

• insulate

What happens to the force of gravity if the mass of one of the objects increases?

• The force of gravity increases

• The force of gravity decreases

• The force of gravity disappears

• The force of gravity pushes away