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Author Question: A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the ... (Read 127 times)

maychende

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on: Jul 27, 2018
A child's toy is suspended from the ceiling by means of a string. The Earth pulls downward on the toy with its weight force of 8 N. If this is the action force, what is the reaction force?
 
  A) the string pulling downward on the ceiling with an 8-N force
  B) the ceiling pulling upward on the string with an 8-N force
  C) the string pulling upward on the toy with an 8-N force
  D) the toy pulling upward on the Earth with an 8-N force
  E) the toy pushing downward on the Earth with an 8-N force

Question 2

A race car circles 10 times around an 8-km track in 20 min. What is its average speed per lap?
 
  What will be an ideal response?


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miss.ashley

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

Average lap speed is 70 m/s.


maychende

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


miss.ashley

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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