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If we want to describe work, we must have
a. an action which causes no movement or reaction.
b. a force and a movement in the opposite direction of the force.
c. a force and a movement in the same direction as the force.
d. an action which causes movement and an opposite reaction.
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If we want to describe work, we must have
a. an action which causes no movement or react...
a. an action which causes no movement or react...
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