Vectors
Scalars and Vectors
Vector Components and Arithmetic
Vectors in 3 Dimensions
Unit vectors i, j, k
Serway and Jewett Chapter 3
Physical quantities are classified as scalars,
vectors, etc.
Scalar : described by a real number with units
examples: mas
1
Important Equations in Physics (AS)
Unit 1: Quantities and their measurements (topics 1 and 2 from AS syllabus)
1
System of units
2
SI system
Base units
3
Multiples
of units
4
5
Celsius to kelvin
conversion
Accuracy
6
7
8
Precision
Error
Calculation err
Newtons Laws of Motion
Newtons Laws
Forces
Mass and Weight
Serway and Jewett 5.1 to 5.6
Physics 1D03 - Lecture 6
1
Newtons First Law (Law of Inertia)
An isolated object, free from external forces, will continue
moving at constant velocity, or remain at
Kinematics in Two Dimensions
Position, velocity, acceleration vectors
Constant acceleration in 2-D
Free fall in 2-D
Serway and Jewett : 4.1 to 4.3
y
The Position vector r
points from the origin to
the particle.
yj
path
(x,y)
r
xi
The components of r ar
Kinematics in 2-D (II)
Uniform circular motion
Tangential and radial components of a
Relative velocity and acceleration
Serway and Jweett : 4.4 to 4.6
Phy sics 1D03 - Lecture 5
1
Uniform Circular Motion
v
uniform means constant speed
velocity v chang
If you missed the first lecture. . .
Find the course webpage:
http:/physwww.mcmaster.ca/~okon/1d03/1d03.html
and read the course outline and the first lecture.
Log into Avenue to Learn (http:/avenue.mcmaster.ca)
and find Physics 1D03. There you can find