12
a)
x 20
=
b)
+ 10 =
c) 5.4 + 8.38 =
3
d) 6
e) 2.094 x 100 =
f) (-11) x 12 =
g) Square of (-12) is
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The mechanical advantage of a 3rd class lever is always less than 1. For this class of levers, the input effort is higher than the output load, which is different from second-class levers and some first-class levers. However, the distance moved by the load is greater than the distance moved by the effort.
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