Page 14 - SIMPLE MACHINES

2. PULLEY –
2 . P U L L E Y –

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• •A pulley is a simple machine consists of

of
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p
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a wheel that has a grooved outer edge
a whe e l t hat has a g r oov e d ou t e r e dg e
or track for the rope, belt or chain to
or t r ac k f or t he r op e , be l t or c hai n t o
move through it. This groove holds the
m ov e t hr ou g h i t . T hi s g r oov e hol ds t he
rope, belt or chain in position.
r op e , be l t or c hai n i n p os i t i on .
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• •A pulley is a circular lever, with the
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wheel rotating freely on the axle. Pulling
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Pu
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the rope lifts the object attached to
t he r op e l i f t s t he obj e c t at t ac he d t o

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the other end.
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