A fixed pulley.
yes because it makes things easier to move.
if it is a fixed pulley, itself doesnt move. If it is a rotating pulley, its joint probably doesnt move.
Pulley machine type of many! Machine have many pulley, many pulley machine! Type machine, many pulley type. Pulleys, type pulley machine many type. Machine.
pulley
no belts aren't a type of pulley
Force and Resistance
The simple pulley is the type of pulley that does not have a mechanical advantage.
A pulley.
An example of a fixed pulley would be a well. This is a fixed pulley because the pulley doesn't move even though it is attached to an object.
A pulley. The wheels aren't necessarily grooved; you just need a way to prevent to rope from slipping off the wheel.
Fixed Pulley and Compound Pulley.