I'm trying to determine what equations I can use in order to calculate the maximum load (in pounds) across a sheet of plexiglass. Could anyone help me look in the right direction? This is just a sheet that's 10" x 10" x 1/8", that's held by 4 screws. You see, my project involves placing my robotic arm on top of this sheet, but I want to know the maximum weight my arm can carry while on top of this plate! I know (theoretically) that my arm can carry up to 1 pound (approximately). Any direction?