a few jobs are people that wash windows and painters
No, a pencil sharpener is not any kind of pulley.
simple pulley simple pulley
It is a fixed pulley
A movable pulley. Kind of anticlimactic, isn't it?A pulley that is attached to something that isn't moving is called a fixed pulley.
A flagpole is a pulley.
Single movable pulley
The kind of pulley has an ideal machanical advantage of 2 is called "Movable Pulley". From, Bryan Hollick
A single moveable pulley.
Scaffold
I'm asking what are the kind of questions
well i know 3, fixed pulley, movable pulley and a pulley system (double pulley with fixed and movable pulleys). i guess its basically just the first 2.