Electrical Force

Two small hollow metal spheres hung on insulating threads attract one another as shown. It is known that a positively charged rod will attract sphere A. Which statements can be correctly concluded about the charge on the spheres?

• A has a positive charge

• B has a negative charge

• A and B have opposite charges

• A is neutral

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The magnitude of the electric force between two objects depends upon what factors? CHOOSE ALL THAT APPLY!

• their charges

• the distance between their centers

• their masses

• their velocities

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Charged objects can be attracted to:

• Neutral objects 

• Objects with the opposite charge

• Both

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The transfer of what type of atomic particle is responsible for the static charges on objects?

• neutrons

• protons

• electrons

• none of these

If the distance between two charged objects increases, the electric force between them _____.

• decreases

• increases

• remains the same

• stops

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NGSS.MS-PS2-3

As two objects move farther apart, electric forces will ___.

• Increase

• Decrease

• Stay the Same

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What type of force is electric force?

• Pull and Push

• Contact Force

• magnetic force

• Non contact force

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Two objects will experience an electric force of attraction when they have ____.

• like charges

• opposite charges

• the same amount of charge

• no charge

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Electric forces happen between ___.

• Neutral Atoms

• Charged Ions

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For similar charges, the electric potential energy increases as particles get ​ ​ (a)   from each other.

• closer

• Far away

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