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Author Question: A 4.00-kg block rests between the floor and a 3.00-kg block as shown in the figure. The 3.00-kg ... (Read 223 times)

asmith134

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on: Jul 29, 2018
A 4.00-kg block rests between the floor and a 3.00-kg block as shown in the figure. The 3.00-kg block is tied to a wall by a horizontal rope.
 
  If the coefficient of static friction is 0.800 between each pair of surfaces in contact, what horizontal force F must be applied to the 4.00-kg block to make it move?
 
  A) 16.2 N
  B) 54.9 N
  C) 21.1 N
  D) 23.5 N
  E) 78.4 N

Question 2

Three objects are connected by massless wires over a massless frictionless pulley as shown in the figure. The tension in the wire connecting the 10.0-kg and 15.0-kg objects is measured to be 133 N. What is the tension in wire A?
 
  A) 87.5 N
  B) 245 N
  C) 280 N
  D) 333 N
  E) 517 N


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akemokai

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

Answer: E

Answer to Question 2

Answer: D


asmith134

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

softEldritch

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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