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Newton's first law expresses the principle of inertia: the natural behavior of a body is to move in a straight line at constant speed. A body's motion preserves the status quo, but external forces can perturb this. The modern understanding of Newton's first law is that no inertial observer is privileged over any other.
Particle physics. Particle physics is a branch of physics that studies tiny pieces of elements, known as particles. These particles are extremely small pieces that build up the world around us. They are best described in the language of math: calculus, the imaginary number, and group theory (which describes symmetry).
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Plasticity (physics) Plasticity, or plastic deformation, is the ability of a solid material to have a permanent change in shape. In physics and materials science, this is called deformation. [1] [2] For example, a solid piece of metal being bent or pounded into a new shape shows plasticity. Permanent changes occur in the material itself.
The term work was created in the 1830s by the French mathematician Gaspard-Gustave Coriolis. [3] According to the work-energy theorem, if an external force acts upon a rigid object, causing its kinetic energy to change from Ek1 to Ek2, then the mechanical work ( W) is given by: [4] where m is the mass of the object and v is the object's velocity .
C. Charles's law. Conservation of energy. Conservation of mass. Coulomb's law.
