Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made: Balls B, C, and D are attracted to ball A. Balls B and D have no effect on each other. Ball B is attracted to ball C. What are the charge states (positive, negative, or neutral) of balls A, B, C, and D? Explain.

Question

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Answer 1

Textbook Question

Chapter 20, Problem 1CQ

Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made:

Balls B, C, and D are attracted to ball A.
Balls B and D have no effect on each other.
Ball B is attracted to ball C.

What are the charge states (positive, negative, or neutral) of balls A, B, C, and D? Explain.

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

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02:20

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Answer the assignment 1 question and show step-by-step solution. This is from Chapter 3 off of the book, "The Essential Cosmic Perspective" 8th edition by Bennett, Donahue, Schneider, Voit. I provided some helpful notes to help with the solution.

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Answer 2

Textbook Question

Chapter 20, Problem 1CQ

Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made:

Balls B, C, and D are attracted to ball A.
Balls B and D have no effect on each other.
Ball B is attracted to ball C.

What are the charge states (positive, negative, or neutral) of balls A, B, C, and D? Explain.

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

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02:20

Answer 3

Textbook Question

Chapter 20, Problem 1CQ

Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made:

Balls B, C, and D are attracted to ball A.
Balls B and D have no effect on each other.
Ball B is attracted to ball C.

What are the charge states (positive, negative, or neutral) of balls A, B, C, and D? Explain.

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

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02:20

Answer 4

Textbook Question

Chapter 20, Problem 1CQ

Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the following observations are made:

Balls B, C, and D are attracted to ball A.
Balls B and D have no effect on each other.
Ball B is attracted to ball C.

What are the charge states (positive, negative, or neutral) of balls A, B, C, and D? Explain.

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

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02:20

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Answer 8

Expert Solution & Answer

To determine

To explain: The charge states of balls A, B, C and D.

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

To explain: The charge states of balls A, B, C and D.

Answer 12

Answer to Problem 1CQ

The charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.

Answer 13

Explanation of Solution

The plastic rod acquires a negative charge, when it is rubbed by wool. Initially, when the rod touches the ball A, it gets polarized and acquires a negative charge. Hence, the charge on ball A is negative.

Balls B, C, and D are attached to ball A:

Balls B, C, and D are attached to ball A due to the attraction force because unlike charges attract. This is possible only if charges on balls B, C, and D are either positive or neutral.

Balls B and D have no effect on each other:

This statement indicates that the balls B and D neither attracted nor repulsed with each other. The like charges repel and unlike charges attract. Therefore, balls B and C posses no charge either positive or negative. Hence, balls B and D are neutral.

Ball B is attracted to ball C:

This statements concludes that the ball C is charged and that is the reason the neutral ball B is attracted towards C. From first statement, it is obvious that the charge of ball C must be either positive or neutral. Ball C is not neutral and hence the charge on ball C is positive.

Conclusion:

Thus, the charge states of balls A, B, C and D are negative, neutral, positive, and neutral respectively.