A Worker Pushes a Sled with a Force of 37

question 12

Multiple Choice

A worker pushes a sled with a force of 37 N over a level distance of 5.0 m.If a frictional force of 21 N acts on the wheelbarrow in a direction opposite to that of the worker,what net work is done on the wheelbarrow?

• A) 290 J
• B) 185 J
• C) 105 J
• D) 80 J
• E) ​3.2 J

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