Solution of task 20.3.1 from the collection of Kepe OE
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20.3.1
The sum of elementary works of all forces applied to a certain mechanical system is written in the form δA = 20 δq1 + 30δq2 + 60δq3, where q1 q2, q3 are generalized coordinates, m. Find the generalized force corresponding to the generalized coordinate q2. (Answer 30)