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Astro 1 exam 1 Penn State Frequently Most Tested Questions and Verified Accurate Answers $12.49   Add to cart

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Astro 1 exam 1 Penn State Frequently Most Tested Questions and Verified Accurate Answers

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Newton's first law of motion 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 Newton's second law of motion The acceleration of a body due to a force will be in the same direction as the force, with a magnitude inv...

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  • November 19, 2024
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Astro 1 exam 1 Penn State Frequently
Most Tested Questions and Verified
Accurate Answers
Newton's first law of motion

✓ 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



Newton's second law of motion

✓ The acceleration of a body due to a force will be in the same direction as the force, with a
magnitude inversely proportional to its mass



Newton's third law of motion

✓ for every action, there is an equal and opposite reaction



force equation

✓ force = mass * acceleration



The force of gravity by the sun keeps the planets in orbit around it, but how do the planets

affect the sun?

✓ they exert an equally strong pull on the sun, causing it to move slightly



If i apply exactly the same amount of force to a pebble and a boulder what will happen?




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✓ the pebble will move faster



weight formula

✓ weight = mass x gravity



how high are you jumping at 2x earth's mass?

✓ half as high



since the jump height is half as high what does that tell us about the gravity?

✓ gravity is twice as much



gravity equation

✓ gravity = m/r^2



what causes seasons

✓ the planet's tilt with respect to plane in which they orbit the sun



equinox

✓ 12 hours of day, 12 hours of night



What day do the equinoxes fall on and what months

✓ the 21st of September and March



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