Pulleys!
What do these simple mechanisms do?
They help you to lift heavy objects easier and redirect the path of the rope.
Where have you seen a simple mechanism like this before?
- Cranes
- Elevators
- Blinds and curtains
- Flags
How useful can this mechanism be?
Very useful because you can use your own weight and gravity to help you move something more easily.
How does the mechanism work?
The mechanism works by having a rope spinning around a wheel. You attach the load to the rope and this is how you pull the load and lifts it up.
Load
Wheel
Rope