Chapter 4
Units of Chapter 4
Force Newtons First Law of Motion Mass Newtons Second Law of Motion Newtons Third Law of Motion Weightthe Force of Gravity Free-Body Diagrams Problem SolvingA General Approach
1 2
Dynamics: Newtons Laws of Motion
4-1 Force
4-1
Physics 111
Lecture 9c
"Logic takes you from A to B. Imagination takes you anywhere." Albert Einstein
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Angular Momentum
s
Angular Momentum Question Examples Question
We are aware of linear momentum. There is a rotational equivalent called angul
Physics 131
Lecture 9b
"If you can find a path with no obstacles, it probably doesn't lead anywhere." Frank A. Clark
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Impulse
s
Impulse Question Collisions Question Elastic Collisions Example
When applying a force to an object to change its mot
Physics 111
Lecture 9a
"There is nothing like returning to a place that remains unchanged to find the ways in which you yourself have altered." Nelson Mandela
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Torque
s
Torque Question Equilibrium Question
When applying a force to a rotating ob
Physics 111
Lecture 8
"The pursuit of perfection often impedes improvement." George F. Will
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Angle
s
Angle "Units" of angles Rotational variables Question Example Relating variables Example Question
Many things (e.g., doors that are being op
Physics 111
Lecture 2c
"I know that this defies the law of gravity, but, you see, I never studied law." Bugs Bunny
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Free Fall
Free Fall Equations Example Question Question Example
s
Objects moving under the influence of only gravity are said t
Physics 111
Lecture 5a
"Fig Newton: The force required to accelerate a fig 39.37 inches per second." J. Hart
1/8
Uniform Circular Motion
Circular Motion Planets Question Banked curves Vertical Circular Motion Question
s
When a particle moves in a
Prep for Midterm II
Physics 111
1. In a Rotor-Ride at a carnival, riders are pressed against the inside wall of a vertical cylinder 2.00 m in radius rotating 1.10 revolutions per second when the floor drops out. (a) What is the speed of a rider in m
Physics 111
Lecture 2b
"Your education is ultimately the flavor left over after the facts, formulas and diagrams have been forgotten." Paul G. Hewitt
1/8
Constant acceleration
Constant a Kinematics Question Examples Practice problems
s s
Kinemati
MIDTERM
Page 1 of 5
NAME_KEY_RECITATION INST_ KEY _ GRADE_ KEY _ Physics 111 Professor Epstein 48 minutes 1:30 section SP07 May 2, 2007
Midterm Equations
Motion with Constant Acceleration 1 2 x x v t a t 0 0 2 (v0 v) x t 2 v v0 at
v2
v02 2a(x x
MIDTERM
Page 1 of 5
NAME_KEY_RECITATION INST_ KEY _ GRADE_ KEY _ Physics 111 Professor Epstein 48 minutes 2:30 section SP07 May 2, 2007
Midterm Equations
Motion with Constant Acceleration 1 2 x x v t a t 0 0 2 (v0 v) x t 2 v v0 at
v2
v02 2a(x x0
Physics 111
Lecture 9b
"People are just about as happy as they make up their mind to be." Abraham Lincoln
1 / 10
Moment of Inertia
s
Moment of Inertia Question Newton's Laws for rotation Rotational Kinetic energy Rotational Work Question Example
S
Prep for Midterm I
Physics 111
1. Beginning at the point labeled O, Olivia runs at a constant velocity, reaching point 1 in 10.0 s. She then jogs at a different constant velocity, reaching point 2 in an additional 10.0 s. The grid consists of square
Physics 111
Lecture 5b: The apple and the moon-Newton's law of universal gravitation
"One had to be a Newton to notice that the moon is falling, when everyone sees that it doesn't fall." Paul Valery
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Outline of the class
Outline History Kepl
Physics 111
Lecture 3a
"Any intelligent fool can make things bigger, more complex, and more violent. It takes a lot of courage to move in the opposite direction." Albert Einstein
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2D Variables
s
2D Variables Questions Relative velocity Relati
Physics 111
Lecture 6
"Energy is eternal delight." William Blake
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Energy
s
Energy Work Question Kinetic energy Question Example Potential Energy Conservative forces Mechanical energy Question Example Nonconservative Example Power
The problem
Physics 111
Lecture 2d
"Mathematics is the door and the key to the sciences." Roger Bacon
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Coordinate system
Coordinate system Vectors Subtraction Question Components Components
s
A coordinate system consists of a fixed reference point (the
Physics 111
Lecture 2a
"You must learn from the mistakes of others. You can't possibly live long enough to make them all yourself." Sam Levenson
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Motion
Motion Displacement Speed velocity Acceleration Question Practice problems
s s s s
Thin
Physics 111
Lecture 1
"You don't really understand something unless you can explain it to your grandmother" Albert Einstein
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Introduction
Intro Format Question Advise Math Dimensions and units Unit Conversions Dimensional Analysis Significant
Physics 111
Lecture 4c
"The greatness of a nation and its moral progress can be judged by the way its animals are treated." Mohandas Gandhi
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Equilibrium
Equilibrium Question Example
s
An object either at rest or moving with a constant velocity
Physics 111
Lecture 3b
"If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1000 MPG." Bill Gates
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2D Kinematics equations
s
2D Kinematics equations Projectile motion Question Velocity T
Physics 111
Lecture 4a
"We live in a Newtonian world of Einsteinian physics ruled by Frankenstein logic." David Russell
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Forces
Forces First Law Inertia 2nd Law Question Example 2nd Law Question 3rd Question
s
Kinematics: Description of mot
Physics 111
Lecture 4b
"The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function." F. Scott Fitzgerald
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Solving problems using Newton's Laws
s
Examples St
Physics 111
Lecture 7a
"Strength does not come from physical capacity. It comes from and indomitable will." Mahatma Gandhi
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Center of mass
s
CM 2nd Law Momentum Question Example
Up until now, we have had to deal with simple objects (balls, part