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Author Question: Airplane lift is achieved when air pressure on the bottom of its wings is A) greater than ... (Read 66 times)

ENagel

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on: Jul 29, 2018
Airplane lift is achieved when air pressure on the bottom of its wings is
 
  A) greater than pressure on top.
  B) less than pressure on top.
  C) the same as pressure on top.

Question 2

In a hydraulic-press operation, it is impossible for the
 
  A) output displacement to exceed the input displacement.
  B) force output to exceed the force input.
  C) energy output to exceed the energy input.
  D) output piston's speed to exceed the input piston's speed.
  E) none of the above


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aprice35067

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

Answer: A

Answer to Question 2

Answer: C


ENagel

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

raenoj

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

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