Young's modulus for bone is 1.5x10^10 N/m^2 and that bone will fracture if more than 1.5X10^8 N/m^2 is exerted.
What is the max force that can be exerted on the femur if the effective diameter is 2.5cm?
Y=F/A
1.50x10^8N/m^2 =\frac{F}{\pi (0.0125m^2)^2}
F=73631N
is that correct?
if...
Hi All,
I have been working on a product development project and have run into a snag that I was hoping I could get some advice on. We need to determine the mechanical properties of a thin-walled nickel tube. Specifically young's modulus and yield strength.
The current wall thickness...
When I calculate the Bulk modulus for a metall with the free electron model
I get a value that is twice the experimental value.
I find this strange.
With the free electron model i don't get the contribution from the ion cores and the bound electrons, right?
Do these have a negavite...
I am able to proove to myself, through generalised substitution, that the integral of f'(x)/f(x) is lnf(x)+c, but where do the modulus signs come from? ie - The accepted integral is ln|f(x)|+c, not lnf(x)+c
Thanks in advance. :smile:
I've done a search for some help on my problem, but I haven't seen anything resemble it. Anyway my question is the following:
Not all dielectrics that separate the plates of a capacitor are rigid. For example, the membrane of a nerve axon is a bilipid layer that has a finite compressibility...
Hello again,
I don't understand how to derive equations.
#1
C = YI / r
Y = Young's modulus of the material
r = radius of curvature of the neutral surface
I = geometrical moment of inertia of the cross section of the beam
C = bending moment
#2
I = wt^3 / 12
I = moment of inertia...
Young's modulus problem -- need a hint
There are two wires, one brass the other copper, both 50 cm long and 1.0 mm diameter. They are somehow connected to form a 1m length. A force is applied to both ends, resulting in a total length change of 0.5 mm. Given the respective young's moduluses of...
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 because I calculated...
Hello,
I was wondering if anyone could tell me the young's modulus of:
Graphite,
Wood,
Steel,
Glass,
Titanium,
and Aluminium...
I know this is a strange thing to ask, but it would really help me understand more fully the way Graphite compares with other materials.
Search engines...
youngs modulus...
there are two rods rod1 , made of brass - length L1=2m
area of cross section A1 2x10^-4 m^2 and young's modulus y1= 10^11
rod 2 , made of steel , length L2 , cross sectional area A2=10^-4 m^2 and youngs modulus y2 = 2x10^11 .
the question is if the two rods are fixed end...