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Author Question: A worker pushes a sled with a force of 38.0 N over a level distance of 3.60 m. If a frictional force ... (Read 635 times)

ARLKQ

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on: Jul 28, 2018
A worker pushes a sled with a force of 38.0 N over a level distance of 3.60 m. If a frictional force of 16.0 N acts on the wheelbarrow in a direction opposite to that of the worker, what net work is done on the wheelbarrow?
 a. 194 J
  b. 137 J
  c. 57.6 J
  d. 79.2 J
  e. 6.11 J

Question 2

A horizontal force of 85.0 N is applied to move a 46.0-kg cart across a 4.0-m level surface. What work is done by the 85.0-N force?
 a. 7.4E+0 J
  b. 1.6E+4 J
  c. 3.4E+2 J
  d. 9.8E+2 J
  e. 4.6E1 J


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tdewitt

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

d

Answer to Question 2

c


ARLKQ

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Reply 2 on: Jul 28, 2018
Wow, this really help

nyrave

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Reply 3 on: Yesterday
Excellent

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