Coulomb's Law & Electric Force

What particle moves between objects to produce a net charge?

• Neutrons
• Protons
• Electrons
• Quarks

If an object has a net charge of +2e this means it has

• lost two electrons
• gained two electrons
• lost two protons
• gained two protons

Tags

NGSS.HS-PS2-4

An object with a charge of -2q is brought into contact with an identical object with a charge of +5q. The objects are then separated. Each object now has what charge respectively?

• +5q and -2q
• +3.5q and +3.5q
• +1.5q and -1.5q
• +1.5q and +1.5q

Tags

NGSS.HS-PS2-4

A material that is a conductor under some conditions and an insulator under other conditions is known as a

• Insulator
• Semi-conductor
• Conductor
• Superconductor

Which is true about charging by induction?

• Creates a positive net charge
• Creates a negative net charge
• Overall the object remains neutral
• The object becomes permanently charged

In order to positively charge an object via induction (assuming you ground the object) what should you do?

• Bring a negative object near 
• Bring a positive object near
• Bring a neutral object near
• Do the hokey pokey

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