What Should One Do to Apply Maximum Pushing Force

What should one do to apply maximum pushing force?
1) use the largest possible number of segments
2) use the smallest segments
3) move through a large range of motion
4) move the segments in an ordered sequence, one after the other

A) 1, 2, 3
B) 1, 3, 4
C) 1, 3
D) 2, 4