To calculate the mechanical advantage of a lever what two pieces of information do you need?
a. effort force and fulcrum weight
b. resistance force and length of effort arm
c. effort force and the length of effort arm
d. the length of the effort arm and the length of the resistance arm

"The length of the effort arm and the length of the resistance arm" are the two pieces of information among the following choices given in the question that you need. The correct option among all the options that are given in the question is the fourth option or the last option. I hope the answer has helped you.

By dividing you can find the answer

Iwould sure like to answer your question but i honestly just don’t know