Solution of task 15.1.6 from the collection of Kepe OE

Solution of task 15.1.6 from the collection of Kepe OE

15.1.6.
A load of mass m = 0.4 kg is suspended on threads of length l = 1 m. What work does the force
Gravity of the load when moving it in a vertical plane from position 2 to position 1.
(Answer -3.92)

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