Study Figure 15.11 in your textbook. At which minimum angle will ...

[moongchi]

Study Figure 15.11 in your textbook. At which minimum angle will the component of gravity that pulls a boulder downward be greater than the component of gravity that holds a boulder against a surface?
 
  A) 0
  B) 30
  C) 60
  D) 90

Question 2

At which minimum angle will the driving force become greater than the resisting force in a mass movement, according to Figure 15.13 in your textbook?
 
  A) 0
  B) 32
  C) 45
  D) 60

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Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[moongchi]

Thank you

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