COLLEGE PHYSICS
COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 10, Problem 1QAP
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To Explain:

Isaac Newton probably gained no insight by being hit on the head with a falling apple, but he did believe that "the Moon is falling."

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Introduction:

Any two objects that exist in the universe exert a force of gravitational attraction on each other. Which is the gravitational attraction. The acceleration that is caused by this attraction is called gravitational acceleration.

The acceleration that acts on the apple makes it fall from the tree to the ground. Which makes the apple that had zero velocity initially to get an increasing velocity and finally to reach the ground. Similarly, Isaac Newton reasoned that, the moon which is having a higher mass than the apple should feel the same acceleration while it is orbiting around the earth. He reasoned that the moon is continuously falling due to the gravitational force that is exerted by the earth on moon, and thus curving around the earth and producing an orbit. The moon is having the exact correct velocity to complete a full orbit around the earth at the given distance.

Conclusion:

Gravitational acceleration is felt by the moon as does the apple that hit the Newton. Thus, the moon is having a similar falling due to the gravity as does the apple causing it to curve and get a full orbit around the earth.

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Newton's First Law of Motion: Mass and Inertia; Author: Professor Dave explains;https://www.youtube.com/watch?v=1XSyyjcEHo0;License: Standard YouTube License, CC-BY