A steel bar of cross sectional area 1600mm2 and two brass rods each of cross sectional area of 1000mm2 together support a load of 50KN find the stree in rod.? take E for steel=200KN/mm2 E for brass=100KN/mm2
Answers
Answered by
0
Answer:
so so mg mn hhgfd this hkf NM n NB c yi jvcvvn v ho hdbh
Answered by
0
Answer:
Given, A
s
=16cm
2
A
B
=10cm
2
w=500kg
Since Δl will be same fore steel and brass.
A
F
=Y
l
Δl
F
s
+2F
B
=5000...(1)
A
F
=stress (s)
S
s
=
A
s
F
s
, S
B
=
A
B
F
B
F
s
=S
s
.A
s
, F
B
=S
B
.A
B
S
s
=Y
s
l
s
Δl
S
s
α
l
s
Y
s
S
B
α
l
B
Y
B
S
B
S
s
=
Y
B
l
s
Y
s
l
B
=2×
3
2
=
3
4
S
s
=
3
4
S
B
and, S
s
A
s
+2(S
s
A
B
)=5000..from(1)
S
s
A
s
+2×
4
3
S
s
.A
B
=5000
S
s
(16+
2
3
×10)=5000
S
s
(31)=5000
S
s
=
31
5000
≅161kg/cm
2
S
B
=
4
3
×
11
5000
S
B
≅121kg/cm
2
Thanks all question
And mark as brainliest.
Similar questions