──────────────────── METRIC SYSTEM
Lessons • Le Système International d'Unités
1. Introduction • International System of Units
2. Measurements • SI units
3. Scientific Notation • mks system & cgs system
4. Significant Figures
5. Accuracy and Precision ENGLISH SYSTEM
6. Vectors and Scalars • Imperial system
• fps system
Lesson 1 • pound - force
INTRODUCTION TO PHYSICS
FUNDAMENTAL UNITS
• independent
PHYSICS
• m, kg, s
• physis (φύσις) = nature
• physikḗ (φυσική) (Aristotle) = study
DERIVED UNITS
of natural world
• combination of fundamental units
• rules of the universe
• km/h, m/s, m/s2
• matter
• energy
7 FUNDAMENTAL PHYSICAL
QUANTITIES
Lesson 2
1. Time
MEASUREMENTS
2. Mass
3. Length
Measurement - is the comparison
4. Temperature
of an unknown quantity (measurand)
5. Electric current
with a known amount/value of the
6. Luminous intensity
same quantity (standard)
7. Amount of substance
The result is expressed as:
MNEMONICS: The Mighty Lion
Measurement = Numerical Value +
Took Every Little Apple.
Unit
Units - standardized values used to
measure physical quantities.
Physical Quantities:
- Length
- Mass
- Time