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Physics / Conceptual Physics 12 / Chapter 9 / Problem 56TAE

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

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An apple falls because of the gravitational attraction to

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QUESTION:

An apple falls because of the gravitational attraction to Earth. How does the gravitational attraction of Earth to the apple compare? (Does force change when you interchange \(m_{1}\) and \(m_{2}\) in the equation for gravity—\(m_{2} m_{1}\) instead of \(m_{1} m_{2}\) ?)

Text Transcription:

m_1

m_2

m_2 m_1

m_1 m_2

Questions & Answers

QUESTION:

An apple falls because of the gravitational attraction to Earth. How does the gravitational attraction of Earth to the apple compare? (Does force change when you interchange \(m_{1}\) and \(m_{2}\) in the equation for gravity—\(m_{2} m_{1}\) instead of \(m_{1} m_{2}\) ?)

Text Transcription:

m_1

m_2

m_2 m_1

m_1 m_2

ANSWER:

Step 1 of 2

The apple falls to Earth because of Earth's gravitational force of attraction over the apple. In contrast, an apple also exerts equal and opposite force of reaction to the Earth.

The equation for the magnitude of force exerted by Earth on apple is as follows:

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