Lift equipments may be far away places. And to bring the lift eqiupment near to the patients may take much longer time because he lift equipment may be engaged with some other patient or may not be available. Thus it is more reliable and faster to move the patient manually to the destination than using a lift which will take longer time.
In wheel and axle. …with the system is the velocity ratio, or the ratio of the velocity (VF) with which the operator pulls the rope at F to the velocity at which the weight W is raised (VW). This ratio is equal to twice the radius of the large drum divided by the difference…
