A worker pushes a wheelbarrow with a horizontal force of 50.0 N over a level distance of 5.0 m. If a frictional force of 43 N acts on the wheelbarrow in a direction opposite to that of the worker, what net work is done on the wheelbarrow?
a. 250 J
b. 0.0 J
c. 35 J
d. 10.0 J
Ans: c. 35 J
Physics & Space Science
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A.
B.
C.
D.
E.
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