Columns
Engineering Science 10
Strength of Materials: Why Things Bend and Break?
Institute of Civil Engineering
College of Engineering
University of the Philippines-Diliman
Columns
Columns Straight structural members
subjected to compressive axial loads.
Forces
and
Stresses
Engineering Science 10
Strength of Materials: Why Things Break?
Institute of Civil Engineering
College of Engineering
University of the Philippines-Diliman
External and Internal Effects
External
1.) Forces
2.) Moments
Internal
1.) Forc
2nd
Newtons
Law of Motion
ES 10 Part III
Lecture 3
2
Kinetics
Study of motion of bodies in relation to
its CAUSES
3
Newtons 2 Law of
A body will accelerate proportional
Motion
nd
to, and in the direction of, the
resultant of forces acting on it
F ma
4
S
Fundamental Principles
of Mechanics
ES 10 Lecture 1
2
Mechanics
3
Mechanics
description and prediction of
reactions of bodies to FORCES
4
Classical vs Quantum Mechanics
Classical : physical laws
(macro)
Quantum : sub-atomic
5
Classical vs Quantum Mecha
Rigid Body Kinematics
ES 10 Part III
Lecture 2
2
Rigid Body
a body that experiences no deformation
under any loading but can translate and rotate
3
Types of Planar (Rigid Body) Motion
Translation
Rotation
General Plane Motion
4
Translation
Each particle w
Principle of
Impulse and Momentum
1
ES 10 Part III
Lecture 5
2
Egg Drop
3
Momentum (Linear/Translational)
Product of an objects mass and velocity
=
4
Newtons Second Law of Motion
F ma
The rate of change of the
momentum of an object is equal to,
and in t
Particle Kinematics
ES 10 Part III
Lecture 1
2
Particle
a body whose dimensions do not affect its
state of motion and experiences no rotation
3
Kinematics
Study of the motion of a body through
space and time
4
Aristotle (384-322 BC)
Motion on Earth is lin
Newtons
nd
2 Law of Motion
ES 10 Part III
Lecture 3
2
Kinetics
Study of motion of bodies in relation to its CAUSES
3
Newtons
nd
2
Law of Motion
A body will accelerate proportional to, and in the
direction of, the resultant of forces acting on it
F ma
4
St
Course Syllabus
COURSE NUMBER:
TITLE:
CREDIT:
DESCRIPTION:
COURSE GOALS:
CLASS SCHEDULE
TERM
Engineering Science 10
Forces at Work
3 units
Principles of engineering mechanics and its relevance to daily life.
At the end of the course, the student should be
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1
Forces and Moments
ES 10 Lecture 2
2
Force
action of a body on another
an influence that causes a change in
motion and/or deformation
magnitude, direction, point of
application
3
Principle of Transmissibility
The effect of a force on a body does not
Principle of
Work and Energy
ES 10 Part III
Lecture 4
2
Work in Motion
3
Motion due to Energy
4
Work
Energy transferred by a force to a body along a
certain displacement/distance parallel to the force
=
5
Power
Work done per unit time
=
6
Power
Work don
Rigid Body
Kinematics
ES 10 Part III
Lecture 2
2
Rigid Body
a body that experiences no
deformation under any loading but
can translate and rotate
3
Types of Planar (Rigid Body)
Motion
Translation
Rotation
General Plane Motion
4
Translation
Each parti
ES 10: Fluid
Mechanics
Fluid Dynamics
Fluid Mechanics:
1. Fluid Statics
2. Fluid Dynamics
Fluid Dynamics
Flow Types and Regimes:
What are the different flow behaviors?
Bernoullis Principle:
What are the governing principles in
predicting the flow of fluid
Principle of
Impulse and Momentum
1
ES 10 Part III
Lecture 5
2
Egg Drop
3
Momentum
Product of an objects mass and
(Linear/Translational)
velocity
4
Newtons Second Law of
Motion
F ma
The rate of change of the
momentum of an object is equal
to, and in the
Particle Kinematics
ES 10 Part III
Lecture 1
2
Particle
a body whose dimensions do not
affect its state of motion and
experiences no rotation
3
Kinematics
Study of the motion of a body
through space and time
4
Aristotle (384-322 BC)
Motion on Earth is
Principle of
Work and Energy
ES 10 Part III
Lecture 4
2
Work in Motion
3
Motion due to Energy
4
Work
Energy transferred by a force to a body along a
certain displacement/distance parallel to the force
5
Power
Work done per unit time
6
Power
Work done p
Fluid Mechanics
Engr. Kristian Azul
Mechanics Study of Forces
Deformable
ES 13
Solid
Rigid
Mechanics
Statics
Dynamics
ES 11
ES 12
Fluid
ES 15
ES 10 Course Outline
Topic
Statics of Rigid Bodies
Description
Forces, Moments, Equilibrium
Mechanics of
Deformab
FLUID DYNAMICS
Weather and Climate
Vehicles
Vehicles
Environment
Recreation
Fluid Dynamics
Flow Types and Regimes:
What are the different flow behaviors?
Bernoullis Principle:
What are the governing principles in predicting the
flow of fluids?
Drag and Li
Fluid Mechanics
Engr. Kristian Azul
Mechanics Study of Forces
Deformable
ES 13
Solid
Rigid
Mechanics
Statics
Dynamics
ES 11
ES 12
Fluid
ES 15
ES 10 Course Outline
Topic
Statics of Rigid
Bodies
Mechanics of
Deformable Bodies
Dynamics of Rigid
Bodies
Fluid
TORSION AND
BUCKLING
Lecture 5:
By Engr. Kristian M.
Azul
TORQUE
Twisting Couple/Moment
TORSION
TURBINE EXERTS TORQUE
T ON THE SHAFT AT A.
GENERATOR
TURBINE
SHAFT TRANSMITS THE
TORQUE TO THE GENERATOR.
GENERATOR
TURBINE
SINCE THE GENERATOR WOULD
TRY TO RE
FLEXURAL
MEMBERS
Lecture 4:
By Engr. Kristian M.
Azul
BEAMS
Structural member designed to
carry/resist transverse load
*Transverse load load
perpendicular to long
dimension
BEAMS
The internal forces and stresses
that may develop in a beam
depend on:
Loadi
BRIDGES
Lecture 6:
By Engr. Kristian M.
Azul
BRIDGES
A bridge is a structure built to
span physical obstacles:
Purpose: provide passage over
the obstacle.
TYPICAL BRIDGE
LOADS AFFECTING
BRIDGES
Axial
Shearing
Twisting
Bending
COMMON BRIDGE
KINDS
ARCH BRID
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College entrance exam and science high school e
1
"Poor water quality has large economic and
quality of life costs, both now and in the
future, in terms of health impacts and foregone
revenues. Clean water is an integral part of the
strategy for reducing poverty and achieving
Millennium Development Goa
ES Fluid
ES 10: Fluid Mechanics
Fluid Dynamics
Drag
Drag and Lift
Drag
-sometimes called air resistance or
fluid resistance
-refers to forces that oppose the
to forces that oppose the
relative motion of an object through a
fluid
fluid
-Drag forces act in
ES Fluid
ES 10: Fluid Mechanics
Fluid Dynamics
Fluid
Fluid Mechanics:
1. Fluid Statics
2. Fluid Dynamics
Fluid Dynamics
Flow Types and Regimes:
What are the different flow behaviors?
are the different flow behaviors?
Bernoullis Principle:
What are the gov