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Author Question: A 120-kg refrigerator, 2.00 m tall and 85.0 cm wide, has its center of mass at its geometrical ... (Read 9 times)

bb

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on: Jul 29, 2018
A 120-kg refrigerator, 2.00 m tall and 85.0 cm wide, has its center of mass at its geometrical center. You are attempting to slide it along the floor by pushing horizontally on the side of the refrigerator.
 
  The coefficient of static friction between the floor and the refrigerator is 0.300. Depending on where you push, the refrigerator may start to tip over before it starts to slide along the floor. What is the highest distance above the floor that you can push the refrigerator so that it won't tip before it begins to slide? A) 0.710 m
  B) 1.00 m
  C) 1.21 m
  D) 1.42 m
  E) 1.63 m

Question 2

How is stepping off a curb similar to taking a ride aboard an orbiting space vehicle?
 
  What will be an ideal response?


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wfdfwc23

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

D

Answer to Question 2

Answer: In both instances you experience weightlessness. The main difference is the time involved. Stepping off a curb involves apparent weightlessness for a very brief time. Orbiting in a space vehicle involves not a moment in time, but all the time you are coasting in orbit.


bb

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

kusterl

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Reply 3 on: Yesterday
:D TYSM

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