CEE/ME 241_F'07
TRUSSES METHODS OF JOINTS
Today's Objectives: Students will be able to: a) Define a simple truss. b) Determine the forces in members of a simple truss. c) Identify zero-force members. In-Class Activities: Check homework, if any Reading qui
CEE/ME 241
Engineering Mechanics-Statics
Session 02
Fall 2008
Course Instructor
Prof. A. Itani, Ph.D., P.E., F.ASCE Office: SEM 130B Office Hours: MF 4:00 pm-5:00 pm or by appointment.
1
Course Student Helper
R. Dale
Study Sessions
Classroom TBA
Hour
2D VECTOR ADDITION Today's Objective: Students will be able to : a) Resolve a 2-D vector into components b) Add 2-D vectors using Cartesian vector notations. In-Class activities: Check homework Reading quiz Application of adding forces Parallelogram law R
3 D VECTORS (Section 2.5) Today's Objectives: Students will be able to : a) Represent a 3-D vector in a Cartesian coordinate system. b) Find the magnitude and coordinate angles of a 3-D vector c) Add vectors (forces) in 3-D space
In-Class Activities: Read
POSITION & FORCE VECTORS (Sections 2.7 - 2.8) Today's Objectives: Students will be able to : a) Represent a position vector in Cartesian coordinate form, from given geometry. b) Represent a force vector directed along In-Class Activities: Check homework a
DOT PRODUCT (Section 2.9)
Today's Objective: Students will be able to use the dot product to a) determine an angle between two vectors, and, b) determine the projection of a vector along a In-Class Activities: specified line. Check homework Reading quiz A
EQUILIBRIUM OF A PARTICLE IN 2-D Today's Objectives: Students will be able to : a) Draw a free body diagram (FBD), and,
In-Class Activities:
b) Apply equations of equilibrium to solve Reading quiz a 2-D problem. Applications
What, why and how of a FBD Eq
EQUILIBRIUM OF A PARTICLE IN 3-D Today's Objectives: Students will be able to : a) Draw a free body diagram (FBD), and,
In-Class Activities:
b) Apply equations of equilibrium to solve Reading quiz a 3-D problem. Applications
FBD in 3-D Set each force in
MOMENT OF A FORCE (Section 4.1) Today's Objectives : Students will be able to: a) understand and define moment, and, b) determine moments of a force in 2-D and 3-D cases.
Moment of a force
In-Class Activities : Check homework, if any Reading quiz Applicat
MOMENT ABOUT AN AXIS (Section 4.5) Today's Objectives: Students will be able to determine the moment of a force about an axis using a) scalar analysis, and In-Class Activities: b) vector analysis. Check Home work, if any Reading quiz Applications Scalar a
MOMENT OF A COUPLE (Section 4.6) Today's Objectives: Students will be able to a) define a couple, and, b) determine the moment of a couple. In-Class activities: Check homework, if any Reading quiz Applications Moment of a Couple Concept quiz Group problem
EQUIVALENT FORCE-COUPLE SYSTEMS Today's Objectives: Students will be able to: 1) Determine the effect of moving a force. In-Class Activities: 2) Find an equivalent force-couple system for a system of forces and Check homework, if any couples. Reading quiz
REDUCTION OF DISTRIBUTED LOADING (Section 4.10) Today's Objectives: Students will be able to determine an equivalent force for a distributed load. In-Class Activities: Check homework, if any Reading quiz Applications Equivalent force Concept quiz Group pr
CEE/ME 241
EQUILIBRIUM OF A RIGID BODY
Today's Objectives: Students will be able to a) Understand Conditions of Equilibrium b) Identify support reactions, and, c) Draw a free diagram. In-Class Activities: Reading Quiz Applications Support reactions Free b
CEE/ME 241
EQUATIONS OF EQUILIBRIUM IN 2-D
Today's Objectives: Students will be able to a) Apply equations of equilibrium to solve for unknowns, and, b) Recognize two-force members. In-Class Activities: Check homework, if any Reading quiz Applications Equ
CEE/ME 241_F'07
TRUSSESTHE METHOD OF SECTIONS (Section 6.4)
Today's Objectives: Students will be able to determine forces in truss members using the method of sections.
READING QUIZ 1. In the method of sections, generally a "cut" passes through no more th
CEE/ME 241_F'07
FRAMES AND MACHINES (Section 6.6)
Today's Objectives: Students will be able to: a) Draw the free body diagram of a frame or machine and its members. b) Determine the forces acting at the joints and supports of a frame or machine. In-Class
CEE/ME 241
INTERNAL FORCES (Section 7.1) Today's Objective: Students will be able to use the method of sections for determining internal forces in 2-D load cases. In-Class Activities: Check Homework, if any Reading quiz Applications Types of internal forc
CEE/ME 241
Shear and Moment Equations Diagrams (Section 7.2) Today's Objective: Students will be able to draw the shear force and bending moments for beams under various loading.
In-Class Activities: Check Homework, if any Reading quiz Applications SFD an
CEE/ME 241
Today's Objective: Students will learn the relations between the distributed load, shear and bending moment. Analysis of Cables.
Relations between Distributed Load, Shear and Bending Moments (Section 7.3)
In-Class Activities: Check Homework, if
CEE/ME 241
FRICTION (Sections 8.1 - 8.2)
Today's Objective: Students will be able to: a) Understand the characteristics of dry friction. b) Draw a FBD including friction. In-Class Activities: Check homework, if any
c) Solve problems involving friction. Re
CEE/ME 241
WEDGES AND BELTS Today's Objectives: Students will be able to: a) Determine the forces on a wedge. b) Determine the tensions in a belt. In-Class Activities: Check homework, if any Reading quiz Applications Analysis of a wedge Analysis of a belt
CEE/ME 241
CENTER OF GRAVITY AND CENTROID (Chapter 9)
Today's Objective : Students will: a) b) Understand the concepts of center of gravity, center of mass, and centroid. Be able to determine the location of these points for a system of particles or a bod
CEE/ME 241
COMPOSITE BODIES (Section 9.3)
Today's Objective: Students will be able to determine the location of the center of gravity, center of mass, or centroid using the method of In-Class Activities: composite bodies. Check homework, if any Reading qu
CEE/ME 241
MOMENTS OF INERTIA (Chapter 10) Today's Objectives: Students will be able to: a) Define the moments of inertia In-Class Activities: (MoI) for an area. Check homework, if any b) Determine the MoI for an area by integration. Reading quiz Applicat
CEE/ME 241
MOMENT OF INERTIA FOR COMPOSITE AREAS
Today's Objectives: Students will be able to: 1. Apply the parallel-axis theorem. 2. Determine the moment of inertia (MoI) for a composite area. In-Class Activities: Check homework, if any Reading quiz Appl