Question

Yosef applies an input force of 50 N to a crowbar. The crowbar applies a force of 750 N to the lid of a crate. What is the mechanical advantage of the crowbar?

Answer 1

The mechanical advantage of the crowbar is

(output force) divided by (input force) .

According to the gripping scenario, that's (750N) / (50N) = 15 .

Yasher koach, Yosef !