Well, actually they are.
So if we moved those acrobats to a rocket and controlled that rocket's motors so that there was a constant 5 G acceleration then those acrobats in Case 1 would each carry 750 pounds on their feet and that bottom acrobat in Case 2 would be carrying 2,250 pounds on his feet. And that rocket floor those acrobats were standing on would in Case 1 and Case 2 be providing 2,250 pounds of force to acrobats feet.
The force accelerating those acrobats (both cases) is analogous to the force accelerating the shot in a shot cup. The quantities are different but the algebra is the same for acrobats or birdshot.
In a 12 gauge shot cup the one ounce of shot is not as deep as in the 28 gauge shot cup. So the bottom layer of shot in the 12 gauge shotcup has less stress than the bottom layer of the shot in the 28 gauge shotcup.
Last edited by AmarilloMike; 04/14/16 09:56 PM.
