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Astro 001 Exam 1 PSU Questions with 100% Correct Answers | Verified | Latest Update 2024
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Astro 001 Exam 1 PSU Questions with 100% Correct Answers | Verified | Latest Update 2024
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Astro 001 Exam 1 PSU.pdf file:///C:/Users/HP/Desktop/dddd/Astro%20001%20Exam%201%20Astro 001 Exam 1 PSU Actual Questions & Answers
1. Newton's first law of gravity
Answer an object at rest or in motion (in a straight line at a constant speed) will remain in that
state unless acted upon by a force
2. Which of law of gravity does the following related to?
If the Sun disappeared, the earth would continue in the direction that it was traveling in
it's orbit at the time
Answer Newton's first law of gravity
3. Newton's second law of gravity
Answer The acceleration of a body die to a force will be in the same direction as the whole
force with a magnitude directly proportional to it's mass
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,Astro 001 Exam 1 PSU.pdf file:///C:/Users/HP/Desktop/dddd/Astro%20001%20Exam%201%20
4. Which of law of gravity does the following related to?
Force = mass x acceleration
Answer Newton's second law of gravity
5. If you have a large rock and a small rock and apply the same force to it, which one will
move faster? (Newton's second law of gravity)
Answer The small rock
6. Newton's third law of gravity
Answer For every action, there is an equal and opposite reaction
7. The sun exerts a force on the planets and that is why they orbit around it. The planets
exert the same force on the sun, why does it only move slightly?-
Answer because of the sun's relatively large mass
8. The equation for the strength of the gravity on the surface of a planet (surface
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