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I am doing my A2 physics coursework of the bending of cantilevers [zz)] I hung masses on a steel bar and measured the deflection, and then used a formula to calculate the Youngs Modulus of the steel, but the answer I got was way out - 9.6X10^9 instead of 200X10^9. Is this beacause I calculated the Elastic Modulus instead of the Youngs Modulus? What is the difference between the two?