Question

A lever with an output arm of 0.8 meter has a mechanical advantage of 6. What is the length of the input

arm?

Answer 1

From the law of the lever:

mechanical advantage= input arm : output arm

input arm- a
output arm-b

`mechanical\ advantage= 6\\\\ 6=(a)/(0,8)\ \ |*0,8\\\\ 6*0,8=a\\\\ a=4,8m`
Input arm is equal 4,8m