Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
Introduction Statics Review
ME 202 STRENGTH OF MATERIALS
1
Outcomes
Course outcomes
None
Lesson outcomes
Review basic principles of statics that will be
used in this course
Statics Review
Static Structure All external forces and
moments on a body are in s
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
Brigham Young University  Idaho
College of Physical Sciences and Engineering
Department of Mechanical Engineering
ME 202 Engineering Mechanics: Strength of Materials
Winter 2017
Section 1:
Section 2:
Instructor:
M W F: 9:00 AM 10:00 AM, AUS 009
M W F: 2:
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
Class 2 Internal Forces
ME 202 STRENGTH OF MATERIALS
1
Outcomes
Course outcomes
Develop understanding of normal and shear
stress and strain
Lesson outcomes
Apply the equations of equilibrium to solve for
internal resultant loads
Equilibrium equations
Copl
ME 204
Exam 1
Review
Homework Problem 1682
Homework Problem 1682
IC
30o
45o
60o
Homework Problem 1682
IC
rICB
45o
rICC
30o
105o
60o
LAWS OF SINES AND COSINES
Since vector addition or subtraction forms
a triangle, sine and cosine laws can be
applied t
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
Unit 1.2 Normal and Shear Stresses
ME 202 STRENGTH OF MATERIALS
1
Outcomes
Course outcomes
Develop understanding of normal and shear
stress and strain
Lesson outcomes
Understand the concept of normal stress and
solve for average normal stress in an axiall
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
HW #091
A solid shaft connects 4 gears with torques being applied at each gear. If the angle of
twist in the shaft at gear E relative to the fixed connection at A is E, determine the
magnitude of torque TC. Include the proper sign ( or +) on the torques
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
Unit 1.1 Internal Forces
ME 202 STRENGTH OF MATERIALS
1
Outcomes
Course outcomes
Develop understanding of normal and shear
stress and strain
Lesson outcomes
Apply the equations of equilibrium to solve for
internal resultant loads
Equilibrium equations
Cop
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
HW #071
Member AD is connect at both ends to rigid supports. Sections AB and CD are made of
solid brass and have diameters of 4 inches. Section BC is made of solid steel and has a
diameter of 3 inches. Determine the length change of each section as a res
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
HW #101
Find the functions for internal resultant shear and internal resultant moment in terms
of x1 and x2. Plot the shear and moment diagrams.
ANS:
(Prob. 5.1HW1)
HW #102
Find the functions for internal resultant shear and internal resu
Mechanical Engineering Measure and Test Technology
ME 201

Spring 2011
HW #081
The solid shaft is subjected to the balanced load. Determine the maximum stress in
the shaft given:
diam. = 1.25 in
TA = 75 ftlb
TB = 195 ftlb
TC = 110 ftlb
TD = 240 ftlb
TE = 10 ftlb
ANS: max = 7.20 ksi
(Prob. 4.1HW1)
HW #082
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HW #041
A tension test was performed on a steel specimen having an original
diameter of 0.498 inches and a gauge length of 3.00 inches. The load
and elongation data from the test is listed in the table. Plot the stressstrain diagram and determine the mod
HW #051
The three legs of the structure between lines A and B are identical in size and are fixed
to a rigid support at A. Member BC is attached to the center of the connecting element
at B, and the three legs between AB are equidistant from the center o
HW #011
Part A
Determine the internal normal and shear forces
acting on vertical plane aa' through point A.
Ans: NA = 2 kN (to left), VA = 0 kN, directions apply to
F.B.D. from A to right end.
Part B
Determine the internal normal and shear forces
acting
HW #061
The column is composed of concrete fully bonded to 8 internal steel reinforcing rods.
The column has a square cross section with 14inch side length. The bars each have a
diameter of 1.128 inches. A compressive load of P = 800,000 lb is applied t
HW #021
Find the normal stress in the bar at points A, B and C given:
P1 = 3 kN
P2 = 4 kN
P3 = 3 kN
P4 = 1 kN
Bar diameter = 25 mm
Ans: A= 6.11 MPa, B = 10.2 MPa, C= 2.04 MPa
(Prob. 1.2HW1)
HW #022
Find the maximum stress in the member given:
P1 = 2
HW #031
Each side of the square was 140 mm, but is deformed into the dashed
shape shown. Find the normal strain CD and BD undergo when it
deforms given:
Bx = 1.33 mm
By = 0.95 mm
Cx = 0.78 mm
Cy = 3.24 mm
Dx = 1.88 mm
Dy = 2.86 mm
Ans: CD = 0.0029 mm/mm,