Question

A class __blanklever never has a mechanical advantage.
A class __blanklever always has a mechanical advantage.
A class __blanklever could go either way.(1 point)
Responses

2; 3; 1
2; 3; 1

2; 1; 3
2; 1; 3

1; 2; 3
1; 2; 3

3; 2; 1

Answer 1

3; 2; 1

(Third-class never has MA <1, second-class always has MA >1, first-class can be >1, <1, or =1.)