Lecture 9 Circular Motion Today we'll discuss motion along a curved path. First, let's consider the simple case of uniform circular motion.
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Uniform Circular Motion
Earlier in the class, we discussed uniform motion and pointed out that both the m
Lecture 7 Introducing a Model of a Solid
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Review from Last Time
Hook's Law: F=-kx - this force depends on position (compression of the spring). Last time we derived the equations of motion for a mass on a spring using this expression for the for
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Physics 13 - Winter 2008
Homework #1-Due 10:00 PM on Monday, Jan. 14, 2007
PART I: Complete the "p13-Homework 1" assignment at www.webassign.net. This part is submitted electronically.
PART II: Complete the following problems. You will be graded in
Lecture 6 Mass-spring oscillation (Simple Harmonic Motion)
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Review from Last Time
Gravitational Force- Review depends on product of masses and one over distance squared (DRAW) direction of force - always attractive along line connecting objects
Lecture 23 Orbital Mechanics
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Brief Review of Gravity
Gravitational force In general F = where r = |r2 - r1 | is the distance between the centers of the two objects, and the minus sign indicates that the force is attractive. Near the surface of
Lecture 21 Conservation of Angular Momentum
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Review: Analogies between Linear and Rotational Motion
TABLE of anaologies
1.1
Angular Momentum of a single particle
For a single particle a distance r from the point about which it rotates (like o
Lecture 4 Applications of Newton's 2nd Law
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Review from Last Time
Newton's First Law (Law of Inertia) Newton's Second Law (The Momentum Principle)
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Problem Solving - Examples
Newton's second law can be applied in many different situations an
Lecture 19 Torque and Angular Momentum Principle
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Review from Last Time
Rotational Kinematics Angular velocity: magnitude and direction Angular acceleration: magnitude and direction
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Torque
What causes angular acceleration? What causes an o
Lecture 8 Friction
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Review from Last Time
Tension and Compresion (normal forces) Can understand why tension force is along the string and the normal force is perpendicular to the surface if we consider all the atoms in a solid connected by sprin
Lecture 5 Newton's 3rd Law; Gravitational Force
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Review from Last Time
Newton's Second Law (The Momentum Principle) Free body diagrams - in Newton's second law it is the net force that matters! FBD help us identify all the forces acting on an ob
Lecture 25 Entropy and Temperature
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Review from Last Time
"State" of a system macrostate - described by macroscopic parameters like temperature, internal energy, etc. microstate - detailed specific state describing how energy is distributed amo
Lecture 2 Kinematics
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Review from Last Time
Vector Manipulation Important point: the magnitude of the difference between two vectors is not equal to the difference of their magnitudes! (Section III on Vector Worksheet). Example: Two people push
Lecture 26: Pressure and Introduction to an Ideal Gas
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Review from Last Time
Finish heat capacity of lead and aluminum problem
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Gases
So far we've just talked about how to treat a solid object that is large. This is a system containing many p
Lecture 22: Examples with Three Principles
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Summary - Three Fundamental Principles
Here they are: 1. Momentum Principle 2. Energy Principle 3. Angular Momentum Principle Also recall that we have now learned two ways to solve problems 1. Conserva
Lecture 24 Introduction to Statistical Mechanics Statistical Mechanics handles very large systems of particles, for example the air in a room (of order 1 mole or 1023 particles). As you'll see such large systems are handled very differently than a si
Lecture 3 Newton's 1st and 2nd Laws
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Review from Last Time
Review relations between position, velocity, acceleration. Examples
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Law of Inertia (Newton's First Law)
Galileo (1564-1642) is famous for his application of the telescope and challe