Screw is not a 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
A screw jack acts as a ____ multiplier.
A force multiplier is a simple machine that multiplies the ___.