1. The Fundamental Science Flashcards
What do we mean when we say “Physics is the Fundamental Science?”
The principles of physics govern the workings of the universe at the most basic level and describe natural phenomena as well as the technologies that enable modern civilization.
How is Physics an experimental science?
It probes nature to discover its secrets, to refine our understanding, and to explore new and useful applications
How is Physics a quantitative science?
It is written elegantly in the language of mathematics
What does the language of mathematics allow us to do?
Predict and control the physical world with exquisite precision.
How is Physics a theoretical science?
A few overarching “big ideas” provide solidly verified frameworks for explanation of broad ranges of seemingly disparate phenomena.
What two men can we trace our current understanding of physics back to?
- Galileo
- Newton
What is the 1st significant contribution that both Galileo and Newton give to physics?
They laid the groundwork for the description of motion
What is significant about Galileo’s and Newtons groundwork for the description of motion?
It is a phenomenon at the heart of almost everything that happens
What theory resulted from Galileo’s and Newton’s work?
Newtonian Mechanics
What is Newtonian Mechanics?
A simple, coherent theory expressed in 3 basic laws that describes most instances of motion in the universe.
What is the 2nd significant contribution that Galileo and Newton gave to physics?
They united physics by bringing both the terrestrial and celestial realms under a common set of physical laws.
What did Newton’s law of universal gravitation recognize?
That a universal attractive force, gravity, operates throughout the entire universe
In what 3 ways was Newton able to build off of his law of universal gravitation to further our understanding of the universe?
- He provided a mathematical description of gravity
- He developed calculus to explore the ramifications of his idea
- He showed definitively why the planets of our solar system move as they do
How is Newtonian Mechanics used in the modern world?
It governs modern technologies, from skyscrapers to automobiles to spacecraft
What are two of the most well-known manifestations of motion?
- A car driving
- A planet orbiting the sun
What are 3 other, less well-known ways motion manifests itself?
- Wave motion
- Motion of fluids
- Random motion of atoms
What does wave energy transport, and what does it not?
Energy, but not matter
What are 3 examples of wave motion?
- Ocean waves
- Seismic waves
- Sound
What two forms collectively make up the category called fluids?
- Liquids
- Gases
What is unique about the motion of liquids and gases compared to other elements that utilize wave motion?
They exhibit a wide range of motions, some beautiful, and some incredibly powerful
What are 2 examples of powerful wave energy?
- A hurricane
- The blase of a jet engine
What is Thermodynamics?
The science of heat and related phonomena
What is at the basis of Thermodynamics?
The random motions of atoms and molecules
What are 3 examples of ways in which Thermodynamics governs many of the energy flows in the universe?
- The outpouring of energy that lights the stars
- Earth’s complex climate system
- Modern technologies
What key challenge does Thermodynamics give us in our modern world?
Thermodynamics places fundamental limitations on our ability to extract energy from fuels