A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6-kip loads as shown. Knowing that E = 0.45 × 106 psi, determine (a) the reactions at A and C, (b) the normal stress in each portion of the rod. 25 in. 6 kips A -1.25 in. 6 kips 15 in. B -2 in. C Two solid cylindrical rods are joined at B and loaded as shown. Rod AB is made of steel (E = 29 × 10° psi), and rod BC of brass (E = 15 × 10° psi). Determine (a) the total deformation of the composite rod ABC, (b) the deflection of point B. 30 in. C B - 3 in. 30 kips 30 kips 40 in. 2 in. A P = 40 kips
A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6-kip loads as shown. Knowing that E = 0.45 × 106 psi, determine (a) the reactions at A and C, (b) the normal stress in each portion of the rod. 25 in. 6 kips A -1.25 in. 6 kips 15 in. B -2 in. C Two solid cylindrical rods are joined at B and loaded as shown. Rod AB is made of steel (E = 29 × 10° psi), and rod BC of brass (E = 15 × 10° psi). Determine (a) the total deformation of the composite rod ABC, (b) the deflection of point B. 30 in. C B - 3 in. 30 kips 30 kips 40 in. 2 in. A P = 40 kips
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
Procedure:
1- Cartesian system, 2D3D,
type of support
2- Free body diagram
3 - Find the support reactions
4- If you find a negative
number then flip the force
5- Find the internal force
3D
∑Fx=0
∑Fy=0
∑Fz=0
∑Mx=0
∑My=0
\Sigma Mz=0
2D
\Sigma Fx=0
\Sigma Fy=0
\Sigma Mz=0
5- Use method of section
and cut the element
where you want to find
the internal force and
keep either side of the

Transcribed Image Text:A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two
6-kip loads as shown. Knowing that E = 0.45 × 106 psi, determine (a) the reactions at A and C, (b) the
normal stress in each portion of the rod.
25 in.
6 kips
A
-1.25 in.
6 kips
15 in.
B
-2 in.
C

Transcribed Image Text:Two solid cylindrical rods are joined at B and loaded as shown. Rod AB is made of steel (E = 29 × 10° psi),
and rod BC of brass (E = 15 × 10° psi). Determine (a) the total deformation of the composite rod ABC, (b)
the deflection of point B.
30 in.
C
B
- 3 in.
30 kips
30 kips
40 in.
2 in.
A
P = 40 kips
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