While a hydraulic cylinder can provide linear motion and force, it is not a direct substitute for a motor in a building hoist. Hydraulic cylinders are used for lifting and pushing applications, but they lack the variable speed and control that a motor provides. Motors, especially electric ones, offer precise control, variable speed, and efficiency which are critical for hoisting operations. A hydraulic system would require additional components like pumps and valves for control, making it more complex and less energy-efficient compared to an electric motor system. Therefore, a hydraulic cylinder alone is not suitable as a direct replacement for a motor in a building hoist.