Page 9 - SIMPLE MACHINES
P. 9
2. A second-class lever: The lever has the load in the
2. A s ec o n d - c l a s s l ev er: T h e l e v er h a s t h e l o a d in th e
middle, between the effort and the fulcrum. In the
m id d l e, b etw een t h e ef f o rt a n d th e f ul c rum . I n th e
second class lever, the fulcrum is usually closer to the
s ec o n d c l a s s l ev e r, th e f ul c rum is us ua l l y c l o s er t o th e
ed
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load, which reduces the force needed to accomplish
l
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the work.
th
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rk.
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REPRESENTATION OF A SECOND- CLASS LEVER
R E P R E S E N T A T IO N O F A S E C O N D - C L A S S L E V E R