A single pulley acts as force multiplier.
When does a machine act as (a) a force multiplier, (b) a speed multiplier? Can a machine act as a force multiplier and a speed multiplier simultaneously?
A movable pulley is used as :
(a) a force multiplier
(b) a speed multiplier
(c) a device to change the direction of effort
(d) an energy multiplier
The type of single pulley that can act as a force multiplier is a