ME 323 Fall 2011 Homework 1 (Assigned 8/22, due 8/24)
1.
2. Determine the internal resultant torques at sections B and C of the shaft
below which is solidly clamped to the wall at A.
D
3.
ME 323: Mechanics of Materials
Homework Set 5
Spring Semester 2013
Due Date: 2/15/2013
Problem 1
Given, GA=10*106 psi, GB=20*106 psi, GC=15*106 psi
(a) Plot a graph of maximum shear stress max in the shafts vs x. Disregard any
stress concentration at the
Solution homework 1
Problem 1
(a).
Moment balance for beam BE at point B:
!" ! ! = 0
2
2
Force balance in x direction:
!" !" = 0
Force balance in y direction:
!" + !" ! ! = 0
Then we can obtain:
!" =
0.5! + !
3/
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 9
Due Date: 04/08/2015
Problem 1
(10 points)
A steel tank of an air compressor is subjected to internal pressure of 100 psi. The internal diameter of
the tank is 20 in. and the wall thicknes
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 12
Due Date: 05/01/2015
Each Problem: 10 points
Problem 1
A horizontal force P acts at the end of the beam, offset from the centerline such that d=50 mm. Consider
that the material is brittl
Homework 8 Solutions
Problem 1
The state of plane at a point is given by
(10 POINTS)
x
(a) Plot the Mohrs circle, label the stresses
,
y
and
xy
listed in the figure below.
x , y and xy , the principal stresses and
the maximum shear stress.
(b) Determine
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 5
Due Date:02/25/2015
Problem 1
(10 points)
Two shafts of diameter 20 mm each are connected using the gears while they are fixed
at their other ends A and B. At C and D, the shafts are suppo
Problem 1
(10 points)
A tubular shaft has a cross section as shown in the figure. The inner and outer diameter are
related by
. (Assume that A is a simply supported joint while B is a roller joint)
(a) Determine the absolute maximum flexural stress in the
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 11
Due Date: 04/24/2015
Each problem 10 points.
Problem 1.
For the beam shown in the figure, evaluate:
(a) Flexural strain energy
(b) Bending shear strain energy
(c) Ratio of Flexural strain
Homework 7 Solution
Problem 1 (10 points)
A cantilever beam AB supports a distributed load as shown in following figure.
And it has flexural rigidity EI.
(a). Determine an expression for the deflection curve, v(x), for this beam
(b). Determine express
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 12
Due Date: 05/01/2015
Each Problem: 10 points
Problem 1
A horizontal force P acts at the end of the beam, offset from the centerline such that d=50 mm. Consider
that the material is brittl
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 5
Due Date:02/25/2015
Problem 1
(10 points)
Two shafts of diameter 20 mm each are connected using the gears while they are fixed
at their other ends A and B. At C and D, the shafts are suppo
Homework 8 Solutions
Problem 1
(10 POINTS)
The state of plane at a point is given by , and listed in the figure below.
(a) Plot the Mohrs circle, label the stresses , and , the principal stresses and the
maximum shear stress.
(b) Determine the principal s
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 6
Due Date: 3/4/2015
Problem 1
(10 points)
A tubular shaft has a cross section as shown in the figure. The inner and outer diameter are
related by
. (Assume that A is a simply supported join
ME 323: Mechanics of Materials
Fall Semester
Homework Set 6
Due: October 12, 2016
Name:_
Section _
Problem 6.1 (15 points): A cantilevered beam AD of length is subjected to a concentrated moment
at A, a uniformly distributed downward load 0 (Force/length
Homework 10 Solution
Problem 1 (10 points)
A rectangular bar is fixed on a wall and subjected to the loads shown in the
following figure with values P = 5 kips, Mz = 2 kips*in and My = 3 kips*in. Plot
the stress at A in a properly oriented stress elem
ME 323: Mechanics of Materials
Spring Semester 2015
Homework Set 11
Due Date: 04/24/2015
Each problem 10 points.
Problem 1.
For the beam shown in the figure, evaluate:
(a) Flexural strain energy
(b) Bending shear strain energy
(c) Ratio of Flexural strain
Homework 3 Solutions
Problem (1)
FBD:
Force Balance equations at point C, D, E:
PE + F 3=0= F 3=P E =50 kips
PD + F 3F 2=0= F 2=PD + F 3=3050=20 kips
PC + F1F 2=0= F 1=PC + F 2=10020=120 kips
Internal Forces:
F1=120 kips , F2 =20 kips , F3 =50 kips
(10 po
ME 323: Mechanics of Materials
Fall Semester
Homework Set 5
Due: September 28, 2016
Name:_
Section _
Problem 5.1 (10 points): Bar AK of length , is supported by pin joints at D, and K. The bar is subjected
to a concentrated load at B and a distributed loa
ME 323: Mechanics of Materials
Fall Semester
Homework Set 4
Due: September 21, 2016
Name:_
Section _
Problem 4.1 (15 points): Consider a three-member truss, whose member (1) is composed of a material of
Youngs modulus 2, and members (2), and (3) of . Memb
ME 323: Mechanics of Materials
Fall Semester
Homework Set 1
Due: August 31, 2016
Name: SOLUTION
Section _
Problem 1.1 (10 points): The quarter curved rod BC has a mean radius and it is fixed to a wall at B. It
is acted on by loads and at free end C, as sh
Name (Print)
(Last) (Fil'St)
ME 323 - Mechanics of Materials
Exam # 2
Date: July 23, 2014 Time: 11:00 12:00 PM (in class)
Location: ME 1130
Instructor: Nasir Bilal
Instructions:
Begin each problem in the space provided on the examination sheets. If additi
Name: WON J 13% UV Instructor: Sadeghi Koslowsklif':i:';:A I
Print (Last) (First) (Circle one)
ME 323 EXAM 2
SPRING SEMESTER 2010
28 MARCH, 2012 8:00 PM 9:30 PM
Instructions
1. Write your name clearly on the top of each sheet.
2. Begin each problem in t
ME 323: Mechanics of Materials
Spring 2016
Homework Set 5
Due: Wednesday, Feb 17
Problem 5.1 (10 points)
Two beams AB and BD are pinned to the wall at A and D, respectively, and are pinned to each
other at B, as shown in Fig 1.1. Beam AB is acted upon by
ME 323: Mechanics of Materials
Spring 2016
Problem 8.1 (10 points)
Homework Set 8
Due: Wednesday, March 9
A cantilevered beam is fixed on the wall. Two concentrated loads are applied on the
beam, as shown in the figure below.
a) Determine the normal and
ME 323: Mechanics of Materials
Spring 2016
Problem 12.1 (10 points)
Homework Set 12
Due: Wednesday, April 13
The state of stress acting at a critical point on the seat frame of an automobile
during a crash is shown in the figure. Determi
Problem 1 (25 points): A drill jammed in the wall is acted upon by a point load at D, and a
torque at B, as shown in the figure below. For the given state of loading,
a) Determine the stress state at the point M on the cross section aa, and represent the
Name (Print)_
(Last)
(First)
ME 323 - Mechanics of Materials
Final Exam
Date: Saturday, May 7, 2016 Time: 10:30 12:30 PM - Location: FRNY G140
Instructions:
Circle your lecturers name and your class meeting time.
Sadeghi
8:30-9:20AM
Gonzalez
11:30-12:20AM
Q1 (15 Points): Two forces are applied to the rigid bracket BCD as shown. (a) Knowing that the
control rod AB is to be made of steel having an ultimate normal stress of 600 MPa, determine the
diameter of the rod. (b) The pin at C is to be made of steel ha
ME 323: Mechanics of Materials
Fall Semester
Quiz 13
November 4th, 2016
Name:_
Name:_
Q1 (15 Points): A standing lamp is subject to a force 20 lb in the z direction shown below. The
lamp is composed of a column of weight = 100 , and radius = 1 .
(a) Deter
Final Exam - Problem No. 1
Fall 2015
Shown below is a traffic-light sign suspended on a horizontal arm that is cantilevered from a
standing column. The weight of the light is Wl = 100 N, and the weight of the column is WC =
2000 N. The radius of the colum