Astro 1 exam 1 Penn State.pdf file:///C:/Users/HP/Desktop/dddd/Astro%201%20exam%201%20Pe
Astro 1 Exam 1 Penn State Actual Questions &
Verified Answers
1. Newton's first law of motion
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 of motion
Answer The acceleration of a body due to a force willbe in the same direction as the force, with
a magnitude inversely proportional to itsmass
3. Newton's third law of motion
Answer for every action, there is an equal and oppositereaction
4. force equation
Answer force = mass * acceleration
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,Astro 1 exam 1 Penn State.pdf file:///C:/Users/HP/Desktop/dddd/Astro%201%20exam%201%20Pe
5. The force of gravity by the sun keeps the planets in orbit around it, but how do the
planets affect the sun?
Answer they exert an equally strong pull on the sun,causing it to move slightly
6. If i apply exactly the same amount of force to a pebble and a boulder whatwill
happen?
Answer the pebble will move faster
7. weight formula
Answer weight = mass x gravity
8. how high are you jumping at 2x earth's mass?
Answer half as high
9. since the jump height is half as high what does that tell us about thegravity?
Answer gravity is twice as much
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