Question
A person pushes a lawn mower 25.0 m across level ground while exerting a constant 75.0 N force along the handle, directed 35.0° below the horizontal. How much work does the person’s applied force do on the mower?
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Evidence boundary
The calculation assumes the applied force is constant and that the mower’s displacement is 25.0 m horizontally on level ground. It computes only the work done by the person’s applied force, not net work by all forces and not metabolic energy expenditure.