ENGR0135 - Design Project 2
Design of a Truss Structure for a Pedestrian Bridge
Due: 11/30/12
As a project engineering team for a construction company, you have been given the task of
designing a truss system to be used for a 40 ft.-long pedestrian bridge
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #6
Due: June 25, 2015
1. Replace the 40 lb force exerted on the wrench shown below with an equivalent forcecouple system at the nut A.
5 in
A
40 lb
2. Determine the resultant of the four forc
ABSTRACT
This project involved designing a truss system to be used for a 40-foot long pedestrian bridge.
We were required to determine the truss configuration, material, and cross sectional area of each
member. The goal was to minimize the cost of the tru
ENGR0135 - Statics and Mechanics of Materials 1 (2131)
Homework #8
Solution Set
1. One should begin by drawing a free-body diagram for the beam, as shown below. There
are horizontal and vertical reaction forces due to the pin support at A and a vertical
r
ABSTRACT
This project involved designing a truss system to be used for a forty foot long pedestrian bridge.
We were required to determine the truss configuration, the material, and cross sectional area of
each member. The goal was to minimize the cost of
DESIGN OF A CHEAP
THERMAL SWITCH
ENGR 0135
QING-MING WANG
12 OCTOBER 2012
GROUP MEMBERS: CHRISTIAN PITTS, MAX THORNE, TRENT DILLON
ABSTRACT
This report will describe the design problem, our solution, hypothesis, and our thinking as we
went through each st
DESIGN OF A CHEAP
THERMAL SWITCH
ENGR 0135
QING-MING WANG
12 OCTOBER 2012
GROUP MEMBERS: CHRISTIAN PITTS, MAX THORNE, TRENT DILLON
ABSTRACT
This report will describe the design problem, our solution, hypothesis, and our thinking as we
went through each st
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #10
Due: 8/4/16
1. For the steel shaft shown below,
(a) Determine the torques transmitted by cross sections in intervals AB, BC, CD,
and DE.
(b) Draw a torque diagram for the shaft.
25 kip ft
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #11
Due: 8/11/16
1. The coefficient of static friction between the block and the incline shown below is 0.30.
Determine
(a) The minimum force P required to prevent the block from sliding down
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #3
Due: 6/2/16
1. Tensile tests of structural steel indicate that it fails when the axial tensile strain is
1800 . Determine the maximum change in length that 0.25-in diameter structural
stee
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #5
Due: 6/23/16
1. Two forces are applied to point C on the truss structure shown below. Determine the
moments of
(a) The 3.5 kN force about points A and B.
(b) The 4 kN force about points A
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #4
Due: 6/9/16
1. The assembly shown below consists of a steel (Es = 200 GPa and As = 1400 mm2 )
tube AB and a brass (Eb = 100 GPa and Ab = 2100 mm2 ) tube BC. The supports at
A and C and the
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #2
Due: 5/26/16
1. Four forces act on a particle as shown below. Determine the magnitudes of forces F1
and F2 so that the particle is in equilibrium.
y
1000 N
60
37
45
800 N
x
F1
F2
2. The bl
Exam No.3
Student Name
ENGR0135, Fall 2013
Instructor: Prof. Q.M. Wang
Score:
Problem 1. A beam is loaded with distributed loading,
1) Replace the distributed loading with an equivalent resultant force, and specify its location
on the beam measured from p
ENGR0135 - Statics and Mechanics of Materials 1 (2167)
Homework #8
Due: 7/21/16
1. A beam is loaded and supported as shown below. Determine the reactions at supports
A and B.
y
7 kN/m
3 kN/m
A
B
2m
x
4m
2. A beam is loaded and supported as shown below. De
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #2
Solution Set
1. Summing forces in the y-direction allows one to determine the magnitude of F2 :
Fy = 1000 sin 60 800 sin 37 F2 sin 45 = 0
=
F2 = 543.8689 N
Then, summing forces in the x-di
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #1
Solution Set
1. The masses of the two bodies are
500 lb
W1
lb s2
=
= 15.5280 slug
= 15.5280
g
32.2 ft/s2
ft
W2
1500 lb
lb s2
m2 =
=
= 46.5839 slug
= 46.5839
g
32.2 ft/s2
ft
m1 =
Then, the
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #7
Due: July 2, 2015
1. Locate the centroid of the shaded area shown below.
y
3 in 2 in 3 in
8 in
3 in
x
2. Locate the centroid of the slender rod shown below.
y
50 mm 50 mm
150 mm
50 mm
50 m
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #5
Due: June 18, 2015
1. Two forces are applied to point C on the truss structure shown below. Determine the
moments of
(a) The 3.5 kN force about points A and B.
(b) The 4 kN force about poi
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #4
Due: June 4, 2015
1. The assembly shown below consists of a steel (Es = 200 GPa and As = 1400 mm2 )
tube AB and a brass (Eb = 100 GPa and Ab = 2100 mm2 ) tube BC. The supports at
A and C a
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #3
Due: May 28, 2015
1. Tensile tests of structural steel indicate that it fails when the axial tensile strain is
1800 . Determine the maximum change in length that a 0.25-in diameter structu
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #8
Due: July 16, 2015
1. A beam is loaded and supported as shown below. Determine the reactions at supports
A and B.
y
7 kN/m
3 kN/m
A
B
2m
x
4m
2. A beam is loaded and supported as shown bel
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #2
Due: May 21, 2015
1. Four forces act on a particle as shown below. Determine the magnitudes of forces F1
and F2 so that the particle is in equilibrium.
y
1000 N
60
37
45
800 N
x
F1
F2
2. T
ENGR0135 - Statics and Mechanics of Materials 1 (2157)
Homework #1
Due: May 14, 2015
1. Two spherical bodies weigh 500 lb and 1500 lb at the Earths surface. Determine the
gravitational force of attraction between the spheres if the distance from center to
Exam No.1
Student Name
ENGR0135, Fall 2013
Instructor: Prof. Q.M. Wang
Score:
Problem 1
The magnitudes and directions of two forces FB and FC are shown in the figure, determine
the magnitude and coordinate direction angles of their resultant force acting
ENGR0135 - Statics and Mechanics of Materials 1 (2131)
Homework #1
Solution Set
1. The masses of the two bodies are
500 lb
W1
lb s2
=
= 15.5280 slug
= 15.5280
g
32.2 ft/s2
ft
W2
1500 lb
lb s2
m2 =
=
= 46.5839 slug
= 46.5839
g
32.2 ft/s2
ft
m1 =
Then, the
ENGR0135 - Statics and Mechanics of Materials 1 (01-1)
Exam #1
1 hour, closed book
;
yy
;
yy
;
yy
y
;
y
;
1) The class pictures on display in the windows of the Bevier Engineering Library are suspended
by wires that have had a tendency to break over the y