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Author Question: A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top ... (Read 229 times)

sam.t96

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on: Jul 28, 2018
A 5.0-kg mass sits on the floor of an elevator that has a downward acceleration of 1.0 m/s2. On top of the 5.0-kg mass is an object of unknown mass. The force of the elevator on the 5.0-kg mass is 80 N up. Determine the unknown mass.
   
  a.
  3.3 kg
   
  b.
  2.4 kg
   
  c.
  1.6 kg
   
  d.
  4.1 kg
   
  e.
  5.0 kg

Question 2

If M = 2.2 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
 
   


   
  a.
  6.4 N
   
  b.
  5.9 N
   
  c.
  5.4 N
   
  d.
  6.9 N
   
  e.
  8.3 N


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millet

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


sam.t96

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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