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Author Question: A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second ... (Read 63 times)

magmichele12

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on: Jul 29, 2018
A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second at the midpoint. A 40-N weight is placed between the two sawhorses, 3.0 m from the edge and 2.0 m from the center.
 
  What forces are exerted by the sawhorses on the board?

Question 2

The sound level of a person talking at 1.0 m of distance is 60 dB. You are surrounded by five people all talking at the same time. What sound level are you being exposed to?
 
  A)
 
  600 dB
 
  B)
 
  60 dB
 
  C)
 
  74 dB
 
  D)
 
  67 dB
 
  E)
 
  81 dB


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cegalasso

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

16 N at the end and 24 N at the midpoint

Answer to Question 2

D


magmichele12

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Reply 2 on: Jul 29, 2018
Gracias!

cam1229

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Reply 3 on: Yesterday
Excellent

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