Astronomy > EXAM > Astro 7N Exam 1 | 100 Questions with 100% Correct Answers | Updated | Download to score A+ | 36 Page (All)

Astro 7N Exam 1 | 100 Questions with 100% Correct Answers | Updated | Download to score A+ | 36 Pages

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The force of gravity by the Sun keeps the planet in orbit around it, but how do the planets affect the sun? - ✔✔They exert an equally strong pull on the sun, causing it move slightly Newton's Fi... rst Law - ✔✔An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. ex: if the sun suddenly disappeared, the Earth would continue in the direction that it was traveling in its orbit at that time Newton's Second Law - ✔✔The acceleration of a body due to a force will be in the same direction as the force, with magnitude directly proportional to its mass Force = mass x acceleration A smaller mas will move faster, if the same force is applied to it Newton's Third Law - ✔✔For every action there is an equal and opposite reaction The Sun exerts force on planets, and they orbit it - he planets exert equal force on Sun, but it only moves slightly because of its very large mass relative to the planets [Show More]

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