15-03-2021
Mathematics

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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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reenavivek39 reenavivek39

15-03-2021

504 water resource of number of the lumber of the ground

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