Machine (Pulleys)
What is a pulley ?
An example of a
simple machine which
enables load to be
lifted using lesser force
(easily).
Other situations where we can
see pulleys.
cable car flagpole water well
Other situations where we can
see pulleys.
fishing boat
construction site
The fixed pulley on the crane model
works when all the components are
connected. What are the components ?
A crane model with a fixed pulley
arm 4 5 black pulley
yellow pulley 3 6 rope
7 load
pole 2
base 1
How does the fixed pulley
work on the crane model ?
1. A rope is fixed
to the load
through a groove
that is located on
the pulley.
2. The yellow
pulley (a motor) is
turned and the
rope is pulled.
3. When the rope
is pulled the
groove on the
wheel will turn.
4. When the rope
is pulled the load
will be lifted
upwards (easily)
by the fixed
pulley.
wheel 28.10.2021
groove axle
rope
load
28.10.2021
load
groove
turn