Modulus of Elasticity/Beam Deflection?
I'm attempting to find the modulus of elasticity for E for a piece of aluminium.
When given a load of 500 grams, it had a displacement of .024 inches.
The equation we were given was delta y = (Px^2)/(6EI) * 3L-X.
L = 12.125, X = 11.75, I = (bh^3)/12, b = 1.104 in, h = .2522 in.
I = .001475785.
What I don't know is what are the units of P? we were told "force due to the mass" but I couldn't tell if that was PSI or Newtons or what. Supposedly we should be getting E to equal 10 x 10^6psi but I'm not getting anywhere near that in calculations.
I'm probably doing something really simply wrong like missing a conversion, but I really need help.

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