Математика, Физика, Computer Science, Machine Learning, LaTeX, Механика и Техника, Химия, Биология и Медицина, Экономика и Финансовая Математика, Гуманитарные науки
The screw of a copying press has 2 threads to the cm and the diameter of the wheel to which the effort is applied is 0.5m.If the efficiency is 40%, what effort will be required to produce a force of 31.4 kN on the plate?