AnswersPBCSD_Grade_Forgiveness_2003310_Physical Science_S2_2022Lab: Newton's Laws of Motion

Electric Charge Answers

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1
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What would make oppositely charged objects attract each other more?

A
increasing the positive charge of the positively charged object and increasing the negative charge of the negatively charged object
B
decreasing the positive charge of the positively charged object and decreasing the negative charge of the negatively charged object
C
increasing the distance between the positively charged object and the negatively charged object
D
maintaining the distance between the positively charged object and the negatively charged object
2
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Which change increases the electric force between objects?

A
Two neutral objects are moved closer together.
B
Electrons are added to two negatively charged objects.
C
Two oppositely charged objects are moved farther apart.
D
The charge on two positively charged objects is reduced.
3

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A
The electric force increases because the amount of charge has an indirect relationship to the force.
B
The electric force increases because the amount of charge has a direct relationship to the force.
C
The electric force decreases because the amount of charge has an indirect relationship to the force.
D
The electric force decreases because the amount of charge has a direct relationship to the force.
4

Alfredo makes a diagram to organize his notes about charging objects.

Question illustration
A
It does not involve touching the objects together.
B
The objects develop opposite charges.
C
Electrons do not move between objects.
D
The objects have the same charge.
5

A small, positively charged ball is moved close to a large, positively charged ball. Which describes how the small ball likely responds when it is released?

A
It will move toward the large ball because like charges repel.
B
It will move toward the large ball because like charges attract.
C
It will move away from the large ball because like charges repel.
D
It will move away from the large ball because like charges attract.
6

An electroscope is a device that detects charge on objects that touch it or are brought near it. John rubs a piece of cotton fabric on a plastic rod and then touches the rod to the electroscope.

A
John charges the rod through induction, then charges the electroscope through friction.
B
John charges the rod through conduction, then charges the electroscope through induction.
C
John charges the rod through friction, then charges the electroscope through induction.
D
John charges the rod through friction, then charges the electroscope through conduction.
7

A negatively charged rod is placed near two neutral metal spheres, as shown below.

Question illustration
A
The spheres are charged through friction.
B
The spheres develop the same charge.
C
Electrons move from the rod to Sphere A.
D
Electrons move from Sphere A to Sphere B.
8

Which factors affect the strength of the electric force between two objects?

A
the mass of the objects and the distance between the objects
B
the amount of charge on the objects and the type of charge on the objects
C
the distance between the objects and the amount of charge on the objects
D
the mass of the objects and the amount of charge on the objects
9

A plastic rod becomes negatively charged when it is rubbed with a piece of wool. How does the rod become charged?

A
Electrons move from the rod to the wool.
B
Protons move from the rod to the wool.
C
Electrons move from the wool to the rod.
D
Protons move from the wool to the rod.
10

Two balls are placed near one another and hang down, as shown below.

Question illustration
A
Neither ball has a charge.
B
The balls are both positively charged.
C
One ball is positively charged, and the other is negatively charged.
D
Each ball has a charge, but the type of charge is unknown.

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