A lever is shown below.
(a) Identify the type of lever.
(b) Calculate its mechanical advantage.
(a) It is a class III lever.
(b) Mechanical advantage = effort armload arm\dfrac{\text{effort arm}}{\text{load arm}}load armeffort arm = 0.10.1+0.4\dfrac{0.1}{0.1 + 0.4}0.1+0.40.1
=0.10.5=15=0.2= \dfrac{0.1}{0.5} \\[1em] = \dfrac{1}{5} \\[1em] = 0.2=0.50.1=51=0.2
