Engineering Analysis 2
Winter Quarter 2014
Design Project 3 (30 points)
Problems:
The figure shows an example of the popular devices called mobiles, which were introduced as
an art form by American artist Alexander Calder (1898-1976). Suppose that you wan

EA-206: Engineering Analysis
Midterm 2 Solutions
24 February, 2011
Problem 1: For the truss shown in the figure, find the axial forces in the members BC, EF and DE. Solution:
We can easily see that the given truss is symmetric.
Since the truss is symmetri

GEN_ENG 206-2 - ENGINEERING ANALYSIS 2
HONORS SECTION
WINTER QUARTER 2013
FEBRUARY 7, 2013
MIDTERM EXAM #1
NAME: SOLUTIONS
Instructions:
Open this booklet only when instructed to do so. There are three questions on the exam. Make sure to go
through all th

Homework 4
Due Monday, 2/3
Problems from textbook: 4.111, 4.130, 4.140, 4.199, 5.7, 5.17, 5.28, 5.50, 5.62
Additional problem : Willis Tower, 233 South Wacker Dr. Chicago, Illinois
Introduction
When Sears Tower, later renamed as Willis Tower in 2009, comp

Homework 7
Due Monday, 2/24
Problems from textbook: 9.30, 9.51, 9.61
4. Consider the simple truss shown in problem 6.2 in the textbook, but with a force of 25 kN
(instead of 800 N). The beams are made of steel (E = 200 GPa). The cross sectional area
of be

Problem 4.27 The force F exerts a 300 ft—lb counter— A \ _"
clockwise moment about A and a 100 ft—lb (—5‘ 5) f[& F
clockwise moment about B. What are F and 6? x: \ \ 9
i \ (4 3} a
\ \ f ,r
\ \ f f
\ \ f"
\ \ If. X.
\ .f x
\ \ f ' Y
.a" a" '
\ )3 a

GEN_ENG 205-2 - ENGINEERING ANALYSIS 2
WINTER QUARTER 2014
MARCH 19, 2014
FINAL EXAM
NAME:
SECTION (CIRCLE ONE):
9AM
10AM
11AM
12NOON
Instructions:
Open this booklet only when instructed to do so. There are six questions on the exam. Make sure to go throu

GEN_ENG 205-2 - ENGINEERING ANALYSIS 2
WINTER QUARTER 2014
MARCH 19, 2014
FINAL EXAM
NAME: SOLUTlDNg
SECTION (CIRCLE ONE): 9AM 10AM 11AM 12NOON
Instructions:
Open this booklet only when instructed to do so. There are six questions on the exam. Make su

Problem 2.43 The tensions in the four cables are equal:
|T1| = |T2| = |T3| : |T4| : T. Determine the value of
T so that the few cables exert a total force of 12500-113
magnitude on the support.
y
29° Problem 2.56 The structure shown forms part of a
trus

Prnhlem 1.11 The kinetic energy of the man in Active
Example 1.1 is deﬁned by %mc2, Where m is his
mass and c is his velocity. Tﬁe man’s mass is 68 kg
and he is moving at 6 mfs, sc his kinetic energy is
£68 kg)(6 Im’s)2 = 1224 kg—nlgs’sg. What is his kine

EA2 Recitation Notes Week 1
David D. Hsu
1/7/2016
1
Section
Hello World!
1.1
Subsection
Structuring a doc is easy!
f (x) = x2
(1)
f (y) = y 3
Many interesting things are happening in the world. For example, f (x) = x2 .
1+2=3
1+2=3
1=32
asdf
f (x) = x2
1

'6—93. The wall crane supports a load of TOO lb.
Determine the horizontal and vertical components of
reaction at the pins A and D. Also, what is the force in the
cable at the winch W? The jib ABC has a weight of 100 lb
and member BB has a weight of 40 lb.

MATLAB Review
Using MATLAB to solve basic linear systems of equations and
optimization problems
Outline
Review of MATLAB basics
Vectors and matrices, arithmetic
Writing scripts (.m files)
For loops
Plotting
Solving linear systems of equations
Solving b

Engineering Analysis 2
Winter Quarter 2014
Design Project 2 (30 points)
Problems:
A relatively primitive device for exercising the biceps muscle is shown. The elastic cord AB has
a spring constant of 10 lb/in and is unstretched when = 0.
1.
Write a MATLAB

Engineering Analysis 2
Winter Quarter 2014
Design Project 4 (30 points)
Problem:
Design a truss structure to support a foot bridge with an unsupported span (width) of L=10m.
Using Pratt truss structure design a bridge which is the most cost effective.
Thi

Engineering Analysis 2
Winter Quarter 2014
Design Project 1 (30 points)
Problems:
1. Suppose that the positions of points A, C, and D of the system of cables suspending the
100kg mass are fixed, but you are free to choose the x and z coordinates of point

Method of Sections : 6.44, 6.51, 6.53, 6.56,
Frames and Machines: 6.82, 6.93, 6.98, 6.110
Method of Joints: MATLAB Problem
For problem 6.24, find axial forces on all members using the method of joints by adapting the
attached MATLAB code, which is for exa