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Pulley: A pulley is a wheel with a rope around it. It helps us lift or move
things easily. We use pulleys in many places. For example, pull a bucket
from a well and raise a flag on a flagpole.
Fixed pulley
Load
Force
Inclined Plane: An inclined plane is a flat surface that is slanted. It helps
make it easier to move or lift heavy objects from a lower place to a higher
place. For example, a ramp used to push a wheelchair or a cart and a slide
in a playground.
Simple and Complex Machines
9
