Bicycles with external gears have two, one guide pulley and one tension pulley, both in the rear derailleur. Some bicycles have further pulleys on the frame for either the brake or the shifter wire to run over.
A pedal would be closest described as a Wheel-and-axle.
Well, on a bike with external gears the small sprockets in the rear dearailleur are referred to as pulleys, guide pulley and tension pulley.
yes
No, I think
A lever
pulley
The chain is wrapped around a cogwheel, which could be described as a pulley.
The bicycle is not a simple machine, there are too many interacting moving parts.
pulley
pulley
lever at crank, connected by chain to lever at rear wheel
A wheel is an example of pulley
A bicycle is an example of a complex machine.
gears and wheel and axle
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.
No it is not. A belt, for example, goes around a pulley.
yes