A swimmer pushes the pool wall straight downward while moving horizontally away from…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A swimmer pushes the pool wall straight downward while moving horizontally away from the wall. State whether the work done by her push on the wall is positive, negative, or zero, and briefly explain your choice in one sentence.

Related theory

Work: Fundamental Definition
Work done by a constant force
Work, Energy and Power
Scientific conception of work
Work and Energy

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