Question
In: Mechanical Engineering
A cylinder of an unknown length made of copper is used being used to support a...
A cylinder of an unknown length made of copper is used being used to support a roof is deformed elastically in tension by a force. The diameter of the cylinder is 25 mm. The reduction in diameter is 3*10^-3 mm Given the following information, what is the Stress experienced by the cylinder?
modulus of elasticity for copper:110 GPA
Poissons ratio for copper:0.34
Solutions
Expert Solution
Given, The diameter of the cylinder is, d =
25mm
The reduction in diameter is, 
=
Modulus
of elasticity for copper is,E = 110 GPa
Poissons ratio for copper,
= 0.34
We Know, Modulus of rigidity, 
where, E is modulus of elasticity
is poissons ratio
Also, Modulus of rigidity,
Answer,Stress acting on the cylinder 
samet mamat answered 3 years agoRelated Solutions
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Identification of Metal..................Copper......Copper.......Unknown......Unknown Mass of test tube & metal shot...74.4593g...132.8115g...85.5094g.....61.018g Mass of test tube........................32.0003g.....32.003g.....32.003g.........32.00
Identification of
Metal..................Copper......Copper.......Unknown......Unknown
Mass of test tube & metal
shot...74.4593g...132.8115g...85.5094g.....61.018g
Mass of test
tube........................32.0003g.....32.003g.....32.003g.........32.003g
Mass of the metal
sample..........42.4562g.....100.8085g...53.5064g.....29.015g
Mass of the
set-up......................3.2639g.......3.2639g.......3.2639g.......3.2639g
Mass of
set-up&water.............101.7857g....100.9825g...99.5694g....100.7855g
Mass of water in
calorimeter.......98.5218g......97.7186g....96.3055g....97.5216g
Initial temperature of metal
sample...100C......100C..........100C............100C
Initial temperature of
water..........23.55C..........25.29C........24.3213C....24.73C
Final temperature of water and
metal25.55C....31.75C.......27.8417C....27.83C
ΔTwater........................................2C..................6.46C.........3.52C..........3.1C
ΔTmetal
....................................-74.85C............-68.25........27.8417C....27.83C
Specific Heat of
water............................4.184J/gC.....................................
Heat energy gained by the water
.....?....................?.................?.................?
Heat lost by the
metal.......................?....................?.................?.................?
Calculated Specific
heat...................?....................?.................?.................?
Average Specific heat
............................................?.....................................?
Actual Specific Heat of
metal..................................0.385..............................?
%
error....................................................................?......................................?
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