На вал жестко насажены шкив и колесо, нагруженные, как показано на рис. 4. Определить силы F2, Fr2=0,4 F2, а также реакции опор, если значение силы F1 задано. 1900.

Трудно гг
1) F2 + Fr = 0,4
2) F1…

The thought was to make sure that you had a good time in your school that was in a bad shape for when I you would have had to do a job that would have help in your career