Physics

Table of Contents

Physics (from Ancient Greek: φυσική (ἐπιστήμη), romanized: physikḗ (epistḗmē), lit. ””’knowledge of nature’, from φύσις phýsis ‘nature’) is the natural science that studies matter, its motion and behavior through space and time, and the related entities of energy and force.

Branches of physics

Classical physics

Classical physics refers to theories of physics that predate modern, more complete, or more widely applicable theories.

Fundamentals

  • Acceleration
  • Angular momentum
  • Couple
  • D’Alembert’s principle
  • Energy (kinetic, potential)
  • Force
  • Frame of reference
  • Inertial frame of reference
  • Impulse
  • Inertia / Moment of inertia
  • Mass
  • Mechanical power
  • Mechanical work
  • Moment
  • Momentum
  • Space
  • Speed
  • Time
  • Torque
  • Velocity
  • Virtual work

Modern physics

Modern physics is an effort to understand the underlying processes of the interactions with matter utilizing the tools of science and engineering. In general, the term is used to refer to any branch of physics either developed in the early 20th century and onwards, or branches greatly influenced by early 20th century physics.

Biophysics

Biophysics is an interdisciplinary science that applies approaches and methods traditionally used in physics to study biological phenomena and processes.

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