from a homework
Degree Level: Pre-College
Question:
Which of the following scenarios result in NO work done on the underlined object?
(A) The gravitational force from the Earth acts on the Moon throughout its circular orbit.
(B) A compressed spring launches a rock into the air.
(C) A child pushes a box across a rough horizontal surface.
(D) A car skids to a stop after panic breaking.
(E) A football player pushes on a stationary wall with all his might.
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