Chapter 7
Work and Energy
1
Key Topics
Work
Kinetic energy: KE = mv2; units
Work-kinetic energy theorem
Conservative forces
2
Work
Provides a link between force and
energy
The work, W, done by a constant
force on an object is defined as the
product of the
Chapter 5
The Laws of Motion
1
Key Topics
Newtons first law, inertia
Newtons second law (F=ma)
Newtons third law
Force
Free-body diagram
Law of gravitation (F=Gm1m2/r2)
Weights
Normal forces
2
Classical Mechanics
Describes the relationship between the
mot
Chapter 8
Potential Energy and
Conservation of Energy
1
Key Topics
Potential energy
PE = mgh (gravitational, local)
PE = -GmM/r (gravitational, general)
PE = kx2 (spring)
Conservation of energy
2
Potential Energy
Potential energy is associated with
the p
Pre-Reading Questions for Chapter 2
1. A ball is thrown downward (not dropped) from the top of a tower. After being released, its
downward acceleration will be
a. Greater than g.
b. Exactly g.
c. Smaller than g.
2. Without air resistance, an object droppe
CHAPTER 3
Vectors in Physics
1
Key Topics
Components of a Vector
Vector Addition
2
3
Parabolic Trajectory of Projectiles
Video on water fountain at Detroit International Airport
4
Copied from Biomedical Applications
of Introductory Physics by J.A.
tuszyns
CHAPTER 4
Two-Dimensional Kinematics
1
Key Topics
Kinematics of free falling bodies in
two dimensions
The horizontal and vertical motions
are completely independent of each
other. This means that motion in
one direction has no effect on
motion in the othe
Chapter 2
One-Dimension Kinematics
Copied from Physical Biology of the Cell by Rob Phillips, Jane Kondev, Julie Theriot, and Nigel Orme,
Garland Science (2009).
Key Topics
Speed
Velocity (average, instantaneous)
Acceleration
Kinematics for freely falling
Pre-Reading Questions for Chapter 1
1. A rectangular building lot has a width of 75.0 ft. Determine the width in meters.
2. How many significant figures are there in 0.7080 m?
3. Express 3.31 * 10-9 m using a prefix listed in the textbook.
4. Which part(s
College Physics
Chapter 1
Introduction to Physics
1
Physics and the Laws of Nature
Physics: the study of the fundamental laws of nature
The goal of physics is to develop theories based on
experiments
A theory is a guess, expressed mathematically,
about