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Author Question: Pretend an object is set sliding on a huge frictionless plane in contact with the surface of Earth ... (Read 73 times)

crobinson2013

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on: Jul 29, 2018
Pretend an object is set sliding on a huge frictionless plane in contact with the surface of Earth as shown. Once the object is set in motion it will
 
  1) theoretically slide to the right forever
  2) slide back and forth
  3) slow down and stop
 
  because
  4) of its inertia.
  5) gravitational force decreases with increasing distance.
  6) the object is sliding uphill and then downhill relative to the round Earth.

Question 2

As a spaceship nears the Moon, its mass
 
  1) varies slightly with distance,
  2) increases,
  3) decreases,
  4) remains unchanged,
 
  while the Moon's gravitation force on the ship
  5) increases.
  6) decreases.
  7) remains unchanged.


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steff9894

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: 2, 6

Answer to Question 2

Answer: 4, 5


crobinson2013

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Reply #2 on: Jul 29, 2018
Thank you!


steff9894

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Reply #3 on: Jul 29, 2018
Always glad to help...


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