It's an example of a wheel and axle.
Wheel and axle.
a wheel and axle easy
wheel and axil
a lever
a wheel and axel
wheel and axle
wheel and axle
Wheel and Axle
A fulcrum
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
wheel and axle
wheel and axle