Theoretically, the minimum effort is required when the rope dips at an angle of about 52° to the horizontal, but for practical purposes this angle can be kept to between 35° and 70°.
Ngokwethiyori, amandla afunekayo xa intsontelo ithe nkxu kwi-engile emalunga nama-52Â° ngokuthe tyaba, kodwa ngokwenene le engile isenokugcinwa iphakathi kwama-35Â° kunye nama-70Â°.