Maybe some of the new fibres but a dry rope in nylon or polys is stronger, wet is up to 20 % loss of strength. How wet is wet, well they don't say in On Rope, Padgett and Smith. Excuse the d rail. Kinda fits in here.
Harmonics? Thats like a left followed by a right or vice a versa. That is like a tree gets pushed away from its natural lean and as it is returning to rest it gets pushed again and the combined forces snap it.
That makes sense, so the forces are actually compounded mb 5 x, 10x guess it all depends.
I base pruning on the sail/crown area, the length of lever, higher the tree the greater the wind force( 80 mph at the ground can be much more at 100'), around or over buildings,structures or trees winds can gain force=venturi effect, it is not the wind pushing that fails a tree so much but the...
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