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Astro 7N PSU Exam 1 Unit 1 & 2 Questions with 100% Correct Answers | Verified | Latest Update 2024 $12.99   Add to cart

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Astro 7N PSU Exam 1 Unit 1 & 2 Questions with 100% Correct Answers | Verified | Latest Update 2024

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Astro 7N PSU Exam 1 Unit 1 & 2 Questions with 100% Correct Answers | Verified | Latest Update 2024

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  • October 1, 2024
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Astro 7N psu Exam 1 Unit 1 & 2.pdf file:///C:/Users/HP/Desktop/dddd/Astro%207N%20psu%20Exam%2




Astro 7N PSU Exam 1 Unit 1 & 2 Actual

Questions & Answers


1. Newton's first law of gravity

Answer an object at rest or in motion in a straight line at aconstant speed will remain in that

state unless acted upon by a force



2. Newton's second law

Answer force=mass x acceleration

-if the same amount of force is applied to two objects the object with a smaller masswill move

faster



3. Newton's third law

Answer every action has an equal and opposite reaction



4. Surface gravity on a planet
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,Astro 7N psu Exam 1 Unit 1 & 2.pdf file:///C:/Users/HP/Desktop/dddd/Astro%207N%20psu%20Exam%2




Answer g= mass/radius^2



5. more mass = stronger surface gravity

Answer if the mass of a planet were twice thatof another but they had the same radius the

gravity felt on the surface of the moremassive one would be twice as strong



6. Newton's Universal law of gravitation

Answer -force of attraction that exists betweenall objects in the universe

-force= (mass of object 1) x (mass of object 2)/ distance between the objects ^2



7. What causes day and night?

Answer rotation of the earth on its axis



8. How does the sun appear to move in the sky in the course of a day?

Answer east towest, because of earth's rotation

the stars and the planets move in the same way from our point of view because ofearths

rotation


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