How do you calculate the mechanical advantage of a second-class lever?

1 Answer
Feb 9, 2016

#E/L=b/a#

Explanation:

#"Effort-load-fulcrum"#
#"a: distance between effort and fulcrum"#
#"b:distance between load and fulcrum"#
#"E:Effort"#
#"L:Load"#
#E*a=L*b#
#E/L=b/a#