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Work is done when a force a. is exerted while pulling a wagon up a hill b. acts vertically on a cart that can only move horizontally c. is exerted by one team in a tug of war when there is no movement d. of gravitaional attarction acts on a person stabnding on the surface of the earth
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Work is done when a force a. is exerted while pulling a wagon up a hill b. acts vertically on a cart...
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