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; 1; 3
2; 1; 3

1; 2; 3
1; 2; 3

3; 2; 1
3; 2; 1

2; 3; 1

Answer 1

3; 2; 1

Explanation: Third‑class levers (effort between fulcrum and load) never give mechanical advantage (<1). Second‑class levers (load between fulcrum and effort) always give mechanical advantage (>1). First‑class levers (fulcrum between effort and load) can be <1, =1, or >1 depending on arm lengths.