General physics

General physics

Terms realting to physics that are not fit for other subcategories.

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General physics

Boyle’s Law

Physics; General physics

For a gas held at a constant temperature, pressure and volume are inversely proportional.

Inertial reference frame

Physics; General physics

A reference frame in which Newton's First Law is true. Two inertial reference frames move at a constant velocity relative to one another. According to the first postulate of Einstein's theory of ...

Ideal gas law

Physics; General physics

An equation, PV = nRT , that relates the pressure, volume, temperature, and quantity of an ideal gas. An ideal gas is one that obeys the approximations laid out in the kinetic theory of gases.

A system that no external net force acts upon. Objects within the system may exert forces upon one another, but they cannot receive any impulse from outside forces. Momentum is conserved in isolated ...

Instantaneous velocity

Physics; General physics

The velocity at any given instant in time. To be contrasted with average velocity, which is a measure of the change in displacement over a given time interval.