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- 1. Multiple ChoiceWhen distance increases, electrostatic force ____________; we call this relationship ____________ proportionaldecreases;directlydecreases;inverselyincreases;inverselyincreases;directly
- 2. Multiple ChoiceWhat variable is a Coulomb the unit for?ChargeForceDistanceMass
- 3. Multiple ChoiceWhat variable do "Newtons" represent?Electrostatic ChargeForceDistanceMass
- 4. Multiple ChoiceWhat happens to the force between two charged objects when you double the distance between them?2X1/2X4X1/4X
- 5. Multiple ChoiceWhat happens to the force between two charged objects if you double the distance between them and double the magnitude of one charge?4X6X1/2X1/6X
- 6. Multiple ChoiceIf each of the charges doubles, what happens to the force?QuadruplesDoublesStays the sameReduced by half
- 7. Multiple ChoiceIf the distance doubles, what happens to the force?Reduced by halfReduced by 1/4Stays the sameQuadruples
- 8. Multiple ChoiceElectrostatic force F is directly proportional to:r^2 (distance squared)q1q2both q1 and q2
- 9. Multiple ChoiceWhen distance increases, electrostatic force ____________; we call this relationship ____________ proportionaldecreases;directlydecreases;inverselyincreases;inverselyincreases;directly
- 10. Multiple ChoiceWhat variable do Coulombs represent?Electrostatic ChargeForceDistanceMass
- 11. Multiple Choice
The graph shows the relationship between the force of interaction and the magnitude of charge. What type of relationship is this?
Direct
Indirect
Inverse
Reverse
- 12. Multiple Choice
Recap:
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
- 13. Multiple ChoiceA material in which electrons are not able to move easilyCircuitInsulatorResistanceConductor
- 14. Multiple ChoiceWhich of these substances conducts electricity the best?woodbrickcopperplastic
- 15. Multiple ChoiceThe plastic covering is there to:Provide a conductor for electrical energy to flow.Provide an insulator so that electrical energy will not pass outside of the wires.Provide a conductor so that electrical energy can NOT flow.Provide an insulator so that electrical energy can flow.
- 16. Multiple ChoiceThe difference between attract and repel is that to attract is to pull something closer and repel is to push something away.TrueFalse
- 17. Multiple ChoiceHow do electrons differ from protons?They are the same thingElectrons hold a negative charge and protons hold a positive charge.Electrons are positively charged and protons are negatively charged.Protons are neutral
- 18. Multiple Choice
The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the magnitude of charge on q2 doubles?
9.6 N
4.8 N
1.2 N
.6 N
- 19. Multiple Choice
The image shows two charged particles with a force of 2.4 N. What would you predict the force of interaction would be when the distance doubles?
4.8 N
1.2 N
.6 N
.3 N
- 20. Multiple ChoiceThe Electric Force is strongest when charges are...close togetherfar apartthe electric force is constant everywhere
- Answer choicesTagsAnswer choicesTags