Answer to Question #114511 in Mechanics | Relativity for Joan

Question

A machine has a velocity ratio of 8 and efficiency of 85%. Calculate the mechanical advantage of the machine

Answer 1

$efficiency=\dfrac{M.A.}{V.R.}$

$\dfrac{85}{100}=\dfrac{M.A.}{8}$

$M.A.=6.8$