Machine (Pulleys)

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