Newtons
Second Law
At the end of the lesson, you should be able
to:
solve rectilinear motion problems using
Newtons second law of motion.
NEWTONS LAW OF MOTION
1. A particle acted upon by a balanced force system
has no acceleration.
2. A particle acted
WORK AND ENERGY
At the end of the lesson, you should be able
to:
solve problems involving work and energy
using the principles of work and energy, and
the law of conservation of energy.
Previously, problems dealing with the motion of
particles were sol
IMPULSE AND
MOMENTUM
At the end of the lesson, you should be able
to:
solve impulse and momentum problems.
define impact and identify the different
types of impact.
solve problems involving impact.
From Newtons second law,
d
F mv
mv linear momentum
EQUILIBRIUM OF A PARTICLE, THE FREE-BODY
DIAGRAM & COPLANAR FORCE SYSTEMS
Objectives:
Students will be able to :
a) Draw a free body diagram
(FBD), and,
b) Apply equations of
equilibrium to solve a 2-D
problem.
APPLICATIONS
The crane is lifting a load. To
POSITION VECTORS & FORCE VECTORS
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 a line.
APPLICATIONS
This ships mooring line,
connected to
FORCE VECTORS, VECTOR OPERATIONS
& ADDITION COPLANAR FORCES
Objectives:
Students will be able to :
a) Resolve a 2-D vector into components.
b) Add 2-D vectors using Cartesian vector notations.
APPLICATION OF VECTOR ADDITION
FR
There are three concurrent
f
THREE-DIMENSIONAL FORCE SYSTEMS
Objectives:
Students will be able to solve 3-D particle equilibrium problems by
a) Drawing a 3-D free body diagram, and,
b) Applying the three scalar equations (based on one vector
equation) of equilibrium.
APPLICATIONS
You
MOMENT OF A FORCE
ABOUT AN AXIS
MOMENT ABOUT AN AXIS
Objectives:
Students will be able to
determine the moment of a
force about an axis using
a) scalar analysis, and,
b) vector analysis.
APPLICATIONS
With the force P, a person is creating a moment MA usin
EQUILIBRIUM OF A PARTICLE, THE FREE-BODY
DIAGRAM & COPLANAR FORCE SYSTEMS
Objectives:
Students will be able to :
a) Draw a free body diagram
(FBD), and,
b) Apply equations of
equilibrium to solve a 2-D
problem.
APPLICATIONS
The crane is lifting a load. To
MOMENT OF A FORCE
MOMENT OF A FORCE (SCALAR FORMULATION),
CROSS PRODUCT, MOMENT OF A FORCE (VECTOR
FORMULATION), & PRINCIPLE OF MOMENTS
Objectives :
Students will be able to:
a) understand and define moment,
and,
b) determine moments of a force in 2D and
FORCES IN SPACE
CARTESIAN VECTORS
CARTESIAN VECTORS AND
THEIR ADDITION & SUBTRACTION
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 vecto
MOMENT OF A
COUPLE
Objectives:
Students will be able to
a) define a couple, and,
b) determine the moment of a couple.
APPLICATIONS
A torque or moment of 12 Nm is required to rotate the wheel.
Why does one of the two grips of the wheel above require less
f
SIMPLIFICATION OF FORCE
AND COUPLE SYSTEMS
& THEIR FURTHER
SIMPLIFICATION
Objectives:
Students will be able to:
a) Determine the effect of moving a force.
b) Find an equivalent force-couple system
for a system of forces and couples.
APPLICATIONS
What are