What is needed for work to be done?
a force must push on an object without moving it.
a...
What is needed for work to be done?
a force must push on an object without moving it.
a force must pull on an object without moving it.
a force must cause an object to move along the same direction as the force.
a force must act on an object while an equal force acts oppositely on the object.
Answers: 2
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