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The Work ​ Done by the Force Exerted by the Spring

question 31

Multiple Choice

The work ​ The work ​ done by the force exerted by the spring on a mass attached to the end of the spring when the mass has displacement is A) ​negative half the time, positive the other half of the time. B) ​always negative. C) ​always positive. D) ​negative more than it is positive. done by the force exerted by the spring on a mass attached to the end of the spring when the mass has displacement The work ​ done by the force exerted by the spring on a mass attached to the end of the spring when the mass has displacement is A) ​negative half the time, positive the other half of the time. B) ​always negative. C) ​always positive. D) ​negative more than it is positive. is

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