Question
A class __ lever never has a mechanical advantage.
A class __ lever always has a mechanical advantage.
A class __ lever could go either way.
3; 2; 1
2; 1; 3
1; 2; 3
2; 3; 1
A class __ lever always has a mechanical advantage.
A class __ lever could go either way.
3; 2; 1
2; 1; 3
1; 2; 3
2; 3; 1