Conceptual Example 20.1 shows that the gravitational force between an electron and a proton is about 10 −40 times weaker than the electric force between them. Since matter consists largely of electrons and protons, why is the gravitational force important at all?

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Answer 1

Textbook Question

Chapter 20, Problem 1FTD

Conceptual Example 20.1 shows that the gravitational force between an electron and a proton is about 10⁻⁴⁰ times weaker than the electric force between them. Since matter consists largely of electrons and protons, why is the gravitational force important at all?

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

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03:19

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Imagine you are out for a stroll on a sunny day when you encounter a lake. Unpolarized light from the sun is reflected off the lake into your eyes. However, you notice when you put on your vertically polarized sunglasses, the light reflected off the lake no longer reaches your eyes. What is the angle between the unpolarized light and the surface of the water, in degrees, measured from the horizontal? You may assume the index of refraction of air is nair=1 and the index of refraction of water is nwater=1.33 . Round your answer to three significant figures. Just enter the number, nothing else.

Answer 2

Textbook Question

Chapter 20, Problem 1FTD

Conceptual Example 20.1 shows that the gravitational force between an electron and a proton is about 10⁻⁴⁰ times weaker than the electric force between them. Since matter consists largely of electrons and protons, why is the gravitational force important at all?

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

03:19

Answer 3

Textbook Question

Chapter 20, Problem 1FTD

Conceptual Example 20.1 shows that the gravitational force between an electron and a proton is about 10⁻⁴⁰ times weaker than the electric force between them. Since matter consists largely of electrons and protons, why is the gravitational force important at all?

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

03:19

Answer 4

Textbook Question

Chapter 20, Problem 1FTD

Conceptual Example 20.1 shows that the gravitational force between an electron and a proton is about 10⁻⁴⁰ times weaker than the electric force between them. Since matter consists largely of electrons and protons, why is the gravitational force important at all?

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Answer 8

Expert Solution & Answer

To determine

To explain: The importance of gravitational force.

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

To determine

To explain: The importance of gravitational force.

Answer 12

Answer to Problem 1FTD

Gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.

Answer 13

Explanation of Solution

Gravitational force is the weakest of all known forces in nature. The gravitational force is responsible for holding all the bodies. The gravitational force follows the inverse square law, just like the electrostatic force, but the difference in magnitude is very significant. The gravitational force between a proton and electron is 10−40 times weaker than the electric force between them.

The strength of gravity decreases with distance but if the body is massive, it will have a higher magnitude of gravitational force. Gravity is important as it gives the body its weight. It is extends throughout the whole space and all bodies regardless of its size experience the gravitational force.

Conclusion:

Therefore, gravitational force is important because it acts on all the bodies and it binds everything in the whole universe together.