What is velocity-ratio?

 It is the ratio of velocity of effort is to velocity of load or distance effort moves is to distance load moves.    

Velocity Ratio is also equal to:

‘n’ when purchase is used to disadvantage and ‘n+1’ when it is

 Used to advantage, where n = number of sheave. 

3

                    

(Where, W= load & E= effort)

2

VIKASH KUMAR