A Worker Pushes a Sled with a Force of 38

question 42

Multiple Choice

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

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