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Author Question: A worker pushes a sled with a force of 40 N over a level distance of 6.0 m. If a frictional force of ... (Read 2151 times)

Jkov05

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on: Jul 28, 2018
A worker pushes a sled with a force of 40 N over a level distance of 6.0 m. If a frictional force of 16 N acts on the wheelbarrow in a direction opposite to that of the worker, what total work is done on the wheelbarrow?
 a. 240 J
  c. 144 J
  b. 216 J
  d. 96 J

Question 2

Which of the following choices is an appropriate unit for measuring entropy changes?
 a. J  K
  c. J/s
  b. N  K
  d. J/K


abro1885

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

C

Answer to Question 2

D


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