Q1 The 45° strain rosette is mounted on a surface of the bracket as shown in Figure Ql. The bracket is made from steel with Estel = 120 GPa and poison ratio, v = 0.28. The following readings are obtained for each gauge under loadings: Es= [X-Y](10) Es = -200(10-) E:= -180(10*) Table 1 Use 5th digit and óth digit of your matrix number to get value of [X] and [Y] as an example below: Example: If your matrix number is CD180147; Thus, the value of X=220 and Y=160 - 54 digit of matric number 6h digit of matric number Y 100 20 1 130 160 1 40 2. 2 60 3 190 3 80 4 220 100 5 250 5 120 6. 280 6. 140 7 310 160 340 180 370 6. 200 (a) Prove that &= Ea and &;= E. (b) Determine the shear strain, and the normal strain, & and &. Estimate the in-plane principal strains and the angle associated with the principal (c) strains, and d. Calculate the principal stress associated with the principal strains in (c).
Plane Trusses
It is defined as, two or more elements like beams or any two or more force members, which when assembled together, behaves like a complete structure or as a single structure. They generally consist of two force member which means any component structure where the force is applied only at two points. The point of contact of joints of truss are known as nodes. They are generally made up of triangular patterns. Nodes are the points where all the external forces and the reactionary forces due to them act and shows whether the force is tensile or compressive. There are various characteristics of trusses and are characterized as Simple truss, planar truss or the Space Frame truss.
Equilibrium Equations
If a body is said to be at rest or moving with a uniform velocity, the body is in equilibrium condition. This means that all the forces are balanced in the body. It can be understood with the help of Newton's first law of motion which states that the resultant force on a system is null, where the system remains to be at rest or moves at uniform motion. It is when the rate of the forward reaction is equal to the rate of the backward reaction.
Force Systems
When a body comes in interaction with other bodies, they exert various forces on each other. Any system is under the influence of some kind of force. For example, laptop kept on table exerts force on the table and table exerts equal force on it, hence the system is in balance or equilibrium. When two or more materials interact then more than one force act at a time, hence it is called as force systems.
pls take X= 100 and Y= 40
pls ans as soon as psiible
![Q1 The 45° strain rosette is mounted on a surface of the bracket as shown in Figure Ql. The
bracket is made from steel with Estel = 120 GPa and poison ratio, v = 0.28. The following
readings are obtained for each gauge under loadings:
Ea= [X+Y] (10-)
Es = -200(10-6)
E: = -180(10-6)
Table 1
Use 5th digit and 6th digit of your matrix number to get value of [X] and [Y] as an example
below:
Example: If your matrix number is CD180147; Thus, the value of X=220 and Y=160 -
5dh digit of matric
6h digit of matric
number
number
100
20
130
1
40
2.
160
2
60
3
190
80
4
220
4
100
5
250
5
120
6.
280
6
140
310
7.
160
340
180
370
200
田
(a)
Prove that & = Ea and &= E.
(b) Determine the shear strain, g and the normal strain, & and &y.
Estimate the in-plane principal strains and the angle associated with the principal
(c) strains, and
d. Calculate the principal stress associated with the principal strains in (c).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F71adb71e-7ed8-44e7-ac96-841d8ec6a937%2F21e8714c-5c03-4ff4-b8dd-b065ae37e6cf%2Fpo7ra0f_processed.png&w=3840&q=75)
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