Page 202 - SK Year 6 Science DLP

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Pulley grooved
wheel
A pulley consists of a grooved wheel that can move freely.
Pulleys can be used for lifting, lowering or pulling a load
when a rope or a chain is passed around it through the
groove. How are pulleys in the pictures below used?

pulley on a flagpole pulley used on a
sailing boat
pulley to lift a load
What are other examples on the usage of
pulleys? Give one example and explain
its use.
Wheel and axle axle

Wheel and axle is used to move or rotate an object.
This simple machine consists of a wheel that is
mounted on a rod called an axle.
wheel

wheel
axle

axle wheel
wheel
axle
spanner pipe

Look at the pictures above. How are wheels and
axles used? Explain the use of wheel and axle in
your daily life and give one different example. screwdriver

194 12.1.1