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Physics / Conceptual Physics 12 / Chapter 2 / Problem 8E

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

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In answer to the question “What keeps Earth moving around

Chapter 2, Problem 8E

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QUESTION:

In answer to the question “What keeps Earth moving around the Sun?” a friend asserts that inertia keeps it moving. Discuss and correct your friend’s erroneous assertion.

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QUESTION:

In answer to the question “What keeps Earth moving around the Sun?” a friend asserts that inertia keeps it moving. Discuss and correct your friend’s erroneous assertion.

ANSWER:

Solution 8E Step 1 : To what keeps Earth is moving around the Sun Earth is moving around the Sun because of the gravitational pull exerted on Earth from Sun. Now we all know that the Sun is the center of our solar system , hence it has the maximum gravitational pull , if the planets in solar did not have planetary orbits which are circular in some cases and elliptical in some cases, all the planets would collapse into the Sun and burn Hence it is the gravitational pull which is responsible for the earth to move around the Sun

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