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P176 - Observing how pulleys affect lifting a load
About this resource..
An activity where children feel how much effort is needed to lift a bucket of water with and without pulleys.
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Related searches:
crane
crossbeam
effort
force
mechanisms
pulley
pulleys
wishing well
See also..
P079 - Inseparable books
P164 - Exploring levers
P177 - Measuring how pulleys affect lifting a load