Question

A square bar 1 m long and 40 mm side, is subjected to an axial tensile load. If the side is seen to decrease in size by 0.01 mm if e= 200 gpa and poissons ratio is 0.3, the stress in the bar (in mpa) is

Answer 1

Tension, Compression,

and Shear

Normal Stress and Strain

Problom 1.2:1 A sold circular post ARC (se figure) supports

aload

2500 1b acting at the mp. A second load P, is

du

aif bcd round he self a B. The dimer of

ic upper nd lowe pars ofthe post ae d

125m and

dye = 225 in respectively

(® Calcul: the momma stress ,, n he upper part of he post (6) IF kis desired that the lower part of te post have the

dsc

same compressive stress 5 he per par, what should be

the magnitude of the load P;?

Soliton 12:1

Cirutar postin compression

2500

PER ——

(0) Nema suas i oar AB

n

25001 ou

rE

0p —

©) Low Py som suas sreessis

w+,

EEA =

Fam 2000p

an

Soh for;

Seon