Units and Physical Quantities Flashcards
What is Physics?
It is the branch of science that deals with the structure of matter and how the fundamental constituents of the universe interact.
It encompasses the behavior of objects under the action of given forces as well as the nature and origin of gravitational, electromagnetic, and nuclear fields.
Physics
A physical property of a material or system that can be quantified by measurement.
Physical Quantity
Nature of Physical Quantities
Fundamental Quantities and Derived Quantities
Quantities that exist by themselves.
Fundamental Quantities
Examples of Fundamental Quantities
Mass, Time, Length and Temperature
Quantities that are dependent on other quantities.
Derived Quantities
Examples of Derived Quantities
Area, Density and Speed
Types of Physical Quantities
Scalar Quantities and Vector Quantities
Quantities with magnitude only
Scalar Quantities
Example of Scalar Quantities
Mass, Distance, Speed, and Energy
Quantities with Magnitude and Direction
Vector Quantities
Example of Vector Quantities
Velocity, Acceleration, and Force
The universal system of measurement used by the scientific community
The International System of Units (SI)
The International System of Units is also known as
The Metric System
