USES OF
PULLEYS
What are the examples
of pulleys used in our
life ?
Pulleys make lifting
load (heavy objects)
easier
The flag can
be raised
Importance:
to raise a flag
Lifting a bucket of
water from the well
using a pulley is easier.
less force needed
Importance:
Lift a bucket of water
from a well easily using
lesser force.
A lot of force needed (high
number of fishermen) to pull
the fishing nets.
Importance:
Pulling up fishing nets
easily using lesser
force.
It will be difficult to pull the
heavy objects without using
a pulley.
A lot of force needed (high
number of workers) to pull
the heavy objects.
Importance:
Lifting heavy objects
from a lower to an upper
floor easily.
What are other applications
of pulleys in our life ?
moving the
cable car
Easing the unloading of a
shipping container at the port
Lifting heavy building
materials at the
construction site
SCIENCE ACTIVITY BOOK
PAGE 87 - 89
page 87
page 88 page 89
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Unloading the shipping Lifting construction
container materials
Raising the flag Painting and cleaning
the tall buildings
Lifting heavy objects to Lifting water from a well
a higher place
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Lift heavy building
materials at the
construction site.
The time taken to
construct a building
faster and shorter.
Pull up fishing nets
easily using lesser force.
Less number of
fishermen needed.
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easier heavy objects