Calculating lever arm lengths from mechanical advantage

[YouHelpIPass]

A lever with an effort arm of 2 meters has a mechanical advantage of 4. What is the load arm's length?

A lever with a load arm of 0.8 meter has a mechanical advantage of 6. What is the length of the effort arm?

 

[PeterO]

A lever with an effort arm of 2 meters has a mechanical advantage of 4. What is the load arm's length?

A lever with a load arm of 0.8 meter has a mechanical advantage of 6. What is the length of the effort arm?

You first need to try, then we can help.

 

[Redbelly98]

YouHelpIPass, please check your private messages for a message from me.