Physics
The diagram below shows a lever in use.
(a) To which class of lever does it belong?
(b) If AB =1 m, AF= 0.4 m, find its mechanical advantage.
(c) Calculate the value of E.
Machines
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Answer
(a) The diagram represents a Class I lever.
(b) Given,
AB = 1m
AF = Load arm =0.4 m
BF = Effort arm = 0.6 m
(c) We know that,
Given,
Load = 15 kgf
Substituting the values in the formula we get,
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