Solution 15.1.6 collection of Kep OE 1989

Solution 15.1.6 collection of Kep OE 1989

15.1.6 The load weight m = 0,4 kg suspended on a thread of length l = 1 m. What kind of work does the force of gravity when moving it in the vertical plane from position 2 to position 1.

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(Chapter 3 - Dynamics theme - 15.1: Work and power capacity) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
Task completed in word format (manuscript).
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