SOLUTION: Please help me answer the following question: A graph that is deflection (y-axis) vs load (x-axis) produces a straight line. Prove that the deflection at the centre of a beam eq

Question 1108775: Please help me answer the following question:
A graph that is deflection (y-axis) vs load (x-axis) produces a straight line.
Prove that the deflection at the centre of a beam equation which is:
produces a straight line.
where: Y= Deflection(m), W =Load(N), L =Length (m), E =Young�s Modulus (N/m^2) and I =Second moment of Area (m^4)
So prove that = where C (where the line crosses the Y axis)= 0

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
y is proportional to the first power of W, so that is enough to make that a straight line or a linear function.
L^3/(48 EI) is the slope of that line. The units are m^3*m^2/N*m^4=m/N
There is no y-intercept, because the L^3/48EI is the slope.
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