As the moment arm of the applied force lengthens, which of the following describes the resultant effect on mechanical advantage?
A . It increases
B . It decreases
C . There is no change
D . There is not enough information
Answer: A
As the moment arm of the applied force lengthens, which of the following describes the resultant effect on mechanical advantage?
A . It increases
B . It decreases
C . There is no change
D . There is not enough information
Answer: A