2. A rope is thrown over a beam, and one end is tied to a 300 N bundle of lumber. You pull the free end of the rope 2 m with a force of 400

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2. A rope is thrown over a beam, and one end is tied to a 300 N bundle of lumber. You pull the free end of the rope 2 m with a force of 400 N to lift the lumber off the ground. How much work have you done?​

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Yến Oanh 5 months 2021-08-22T14:38:18+00:00 1 Answers 14 views 0

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    2021-08-22T14:39:58+00:00

    504 water resource of number of the lumber of the ground

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