Solution of task 20.2.20 from the collection of Kepe OE

Solution of task 20.2.20 from the collection of Kepe OE

20.2.20
Two bars 2 and 3 of the same length l = 0.5 m are connected by hinge A. Identify
A generalized force corresponding to the generalized coordinate at the time when the angle?
= 25 °, if the force F = 100 N, and the mass of the cargo 1 is 5 kg. (Answer -20.0)