A worker pushes a sled with a force of 50 n over a level
A worker pushes a sled with a force of 50 N over a level distance of 7.0 m. If a frictional force of 20 N acts on the sled in a direction opposite to that of the worker, what net work is done on the sled?
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A worker pushes a sled with a force of 50 N over a level distance of 7.0 m. what net work is done on the sled
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