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PULLEYS (Three types (Fixed pulleys (A fixed pulley is balanced when the…
PULLEYS
Three types
Fixed pulleys
A fixed pulley is a wheel that has a groove for a tope, chain or belt to go round it.
A fixed pulley is balanced when the effort, F, is equal to the load R
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Compound pulleys
This is a set of fixed and moveable pulleys, often called a block and tackle.
If we use more pulleys it becomes more complex, but less effort
is needed to move the load.
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