A steel cable whose cross-sectional area is 7.5cm^2 used to support an elevator cab weighing 2.5 * 10^4 N. If the stress in the cable is not the to exceed 20% of the cable elastic limit 2.5*10^8 Pa. Find the maximum upward acceleration
A steel cable whose cross-sectional area is 7.5cm^2 used to support an elevator cab weighing 2.5 * 10^4 N. If the stress in the cable is not the to exceed 20% of the cable elastic limit 2.5*10^8 Pa. Find the maximum upward acceleration