[meyer]

Yes - you've got it. We basically presented abnormal weight distribution to a braking system designed for normal weight distribution. I lived it. Back in a different era, when us survivors had real-life physics instructions that you don't often get in school. I had a little excitement one time with the loaded-bed truck, backing down a snowy hill, and applying the brakes to keep my speed down. And it was down, but even at 2 or 3 miles per hour, the truck managed to swap ends as the fronts locked and it just swung right around on me. Kind of quickly too! White knuckles for a minute, after which I thought "that was cool".

I guess we're diverging from the Q talk. Is this what is referred to as a thread slide? Unintentional, I promise. Human nature and all.

[Cboldt]

Yep, thread slide. One more point from my end ... oh, and before I get to that, Sarah Sanders presser just started.

Weight distribution to the front in normal braking is because when stopping force is applied at the front tire/road interface, the entire car tries to "flip over" the front tire, a "moment" is created as the CG of the vehicle is slowed, but by a braking force (at the road) acting BELOW the elevation of the CG (which is above the road).

This weight transfer really helps, it allows MORE braking (backward) force, because the tire has more downforce against the road.

Whatever weight/force advantage is gained at the front is lost at the back - the vehicle isn't any heavier!

OTOH, braking only from the rear never gets this tire/road traction improving effect., the CG being in front of the braking force at the road.