5/30/2013
Iinear Momentum and Collisions
Ch 9
Momentum Conservation Law
Phys 1B03, Summer 2013, McMaster University, R. Nejat
1
5/30/2013
Momentum & Collisions
Interaction:
Force Model
Energy Model
Momentum Model
Momentum Model:
To find a relationsh
Conservation of Energy
Ch 8
Introducing different form of energy,
energy transformation
Phys 1B03, Summer 2013, McMaster University, R. Nejat
1
Energy Review
Kinetic Energy
Associated with movement of members of a
system
Potential Energy
Determined by
Energy
Energy of a System
Ch 7
The concept of energy is one of the most
important topics in science and engineering
Every physical process that occurs in the
Universe involves energy and energy transfers or
transformations
Energy is not easily defined
1/27/2015
Energy Review
Conservation of Energy
Ch 8
Kinetic Energy
Associated with movement of members of a
system
Potential Energy
Determined by the configuration of the system
Gravitational and Elastic
Internal Energy
Related to the temperature o
1/23/2015
Kinematics in Two Dimensions
Ch 4
General Motion Ideas
In two- or three-dimensional kinematics,
everything is the same as in one-dimensional
motion except that we must now use full
vector notation.
Positive and negative signs are no longer
suf
30/12/2014
Motion in One Dimension
Ch 2
Motion
What is motion?
Motion:
Change of object position with time,
respect to a reference point
Trajectory:
Motion in a straight line
A path along which an object moves;
(Straight line or Curved)
Phys 1B03, W
24/03/2015
Fluids
Fluids
Ch 14
Topics:
Fluids
Pressure
Measuring and Using Pressure
Buoyancy
Fluid Dynamics
Understand macroscopic system that flow
Phys 1B03, Winterl 2015, McMaster University, R. Nejat
States of Matter
Solid
Has a definite volume
Force
Force and Motion
The laws of Motion
Ch 5
Establish a connection between force and motion
What is a force?
A force is a push or a pull on an object.
A force acts on an object. The pushing or
pulling are acted on something.
A force requires an agen
3/4/2015
Waves
Waves
Ch 16
Wave:
The propagation of organized disturbance
through medium with a well-defined speed.
basic properties of traveling waves
Animation courtesy of Dr. Dan Russell, Grad. Prog. Acoustics, Penn State
Phys 1B03,Winter 2015, McMas
Superposition
Superposition and Standing Wave
Ch 18
Waves vs. Particles:
Particles:
have zero size
Multiple particles must exist at different locations
Waves
have a characteristic size their wavelength
Multiple waves can combine at one point in the
13/02/2015
Oscillatory Motion
Ch 15
Oscillatory Motion
Oscillatory motion:
repetitive, back-and forth motion about equilibrium
position.
Oscillators have two things in common:
Oscillatory Motion, Simple Harmonic Motion
The oscillation takes place abou
17/03/2015
Interference of Light Waves
Interference of Light Waves
Ch 37
Wave model of light
Physics 1B03, Winterl 2015, McMaster University, R. Nejat
Conditions for Interference
To observe interference in light waves, the
following two conditions must b
05/02/2015
Momentum & Collisions
Iinear Momentum and Collisions
Ch 9
Interaction:
Force Model
Momentum Model
Energy Model
Momentum Model:
To find a relationship between the velocity of the
objects before the interaction and their velocity after
the
Vectors
Vectors
Ch 3
What are vector quantities?
Physical quantities that have both numerical and
directional properties
A vector quantity is completely described by a
number with appropriate units plus a direction.
It is denoted by an arrow:
r
r2
r1
Waves
Ch 16
basic properties of traveling waves
Animation courtesy of Dr. Dan Russell, Grad. Prog. Acoustics, Penn State
Phys 1B03, McMaster University, Summer 2013, R. Nejat
1
Review: Traveling wave
The most general form of sine wave is: y = Asin(kx t )
4 A . . -4. . n.“ bang—ﬂ
This is version 2 of the test. Choose B as the answer to this question on your
scan card. incorrectly bubbling this answer will adversely affect the marking of
your test.
A. Version 1
B. Version 2
C. Version 3
D. Version 4
A w
Motion in One Dimension
Ch 2
Motion in a straight line
Phys 1B03, Summer 2013, McMaster University, R. Nejat
Motion
What is motion?
Motion:
Change of object position with time,
respect to a reference point
Trajectory:
A path along which an object mov
Iinear Momentum and Collisions
Ch 9
Momentum Conservation Law
Phys 1B03, Summer 2013, McMaster University, R. Nejat
Example: A bouncing Ball
A 100 g rubber ball is dropped from a height of 2.00 m
onto a hard floor. The figure below shows the force that
t
Energy of a System
Ch 7
Introducing Energy, Work
Kinetic and Potential Energy
Phys 1B03, Summer 2013, McMaster University, R. Nejat
1
Gravitational Potential Energy, Problem Solving
The gravitational potential energy depends only
on the vertical height o
Superposition and Standing Wave
Ch 18
Wave characteristic
Phys 1B03, McMaster University, Summer 2013, R. Nejat
1
Standing waves on tube
Example:
An organ pipe open at both ends (like flute) sounds
its second harmonic frequency of 523 Hz. What is
the len
Energy of a System
Ch 7
Introducing Energy, Work
Kinetic and Potential Energy
Phys 1B03, Summer 2013, McMaster University, R. Nejat
1
Energy
The concept of energy is one of the most
important topics in science and engineering
Every physical process that
Interference of Light Waves
Interference of Light Waves
Ch 37
Wave model of light
Quiz
The two waves shown are
1/4
Conditions for Interference
To observe interference in light waves, the
following two conditions must be met:
1. The sources must be cohere
Oscillatory Motion
Ch 15
Oscillatory Motion, Simple Harmonic Motion
Phys 1B03, Summer 2013, McMaster University, R. Nejat
Energy in Simple Harmonic Motion
Energy of the SHM Oscillator
Assume a spring-mass system is moving on a
frictionless surface
M
Th
Superposition and Standing Wave
Ch 18
Wave characteristic
Phys 1B03, McMaster University, Summer 2013, R. Nejat
1
Superposition
Waves vs. Particles:
Particles:
have zero size
Multiple particles must exist at different locations
Waves
have a character
Waves
Ch 16
basic properties of traveling waves
Animation courtesy of Dr. Dan Russell, Grad. Prog. Acoustics, Penn State
1
Waves
What is Wave?
2
Waves
Wave:
The propagation of organized disturbance
through medium with a well-defined speed.
3
Waves
In
Multiple choice Questions
1-2 Kinematics:
1. An object goes from one point in space to another. After it arrives at its destination,
its displacement is:
a.
b.
c.
d.
e.
either greater than or equal to the distance it traveled.
always greater than the dist
Multiple choice Questions
1-1-Kinematics:
1. If a body moves at a constant speed v along a closed path, its average speed in
comparison to v is
a.
b.
c.
d.
e.
greater
less
the same
sometimes greater, sometimes less
none of the above
2. On a position-time
Phys 1B03
Kinematics – Q1
1. A person initially at point P in the illustration stays there a moment and then moves along
the axis to Q and stays there a moment. She then runs quickly to R, stays there a moment,
and then strolls slowly back to P. Draw the
Concepts of Motion
First homework quiz Thursday, September 18,
during the first minutes of class time. Please have a
sheet of paper ready.
Motion diagrams
Displacement, velocity, acceleration Graphs
Serway & Jewett: Chapter 2 & 3
Physics 1B03, Lecture 5,