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CHAPTER 2 (paper 1)
KEY TERMS
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Emelia Banky
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Cards (6)
fulcrum
the part of the lever system that
pivots
,
joints
are the fulcrum in the body
load /
resistance
the
load
to be moved by the
lever
system, ususally this involves
weight
effort
the
force
applied to move the
load
or weight in the body, this is applied by
muscles
load
arm
distance
between the fulcrum and the
load
effort
arm
distance
between the fulcrum and the
effort
mechanical
advantage
a large load can be
lifted
with a relatively
small
amount of
effort
mechanical advantage = effort
÷
load
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