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A 10.0-kg object is moving across a frictionless surface with a constant velocity of 5m/s. Which one of the following horizontal forces is necessary to maintain this state of motion?
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A 10.0-kg object is moving across a frictionless surface with a constant velocity of 5m/s. Which one of the following horizontal forces is necessary to maintain this state of motion?

User Atif Imran
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5 votes
Thanks for the options. Can't imagine why you didn't include them with the question.

If there's no friction, then NO force is needed to keep an object moving horizontally. (D) .
User Sorceri
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