**parallelogram of accelerations** — Parallelogram Par al*lel o*gram, n. [Gr. ?; ? parallel + ? to write: cf. F. parall[ e]logramme. See {Parallel}, and { gram}.] (Geom.) A right lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; sometimes… … The Collaborative International Dictionary of English

**parallelogram of forces** — Parallelogram Par al*lel o*gram, n. [Gr. ?; ? parallel + ? to write: cf. F. parall[ e]logramme. See {Parallel}, and { gram}.] (Geom.) A right lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; sometimes… … The Collaborative International Dictionary of English

**parallelogram of momenta** — Parallelogram Par al*lel o*gram, n. [Gr. ?; ? parallel + ? to write: cf. F. parall[ e]logramme. See {Parallel}, and { gram}.] (Geom.) A right lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; sometimes… … The Collaborative International Dictionary of English

**Parallelogram** — Par al*lel o*gram, n. [Gr. ?; ? parallel + ? to write: cf. F. parall[ e]logramme. See {Parallel}, and { gram}.] (Geom.) A right lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; sometimes restricted in popular … The Collaborative International Dictionary of English

**History of calculus** — History of science … Wikipedia

**Relative velocity** — In kinematics, relative velocity is the vector difference between the velocities of two objects, as evaluated in terms of a single coordinate system, usually an inertial frame of reference unless specifically stated otherwise.For example, if the… … Wikipedia

**turbine** — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as … Universalium

**Möbius transformation** — Not to be confused with Möbius transform or Möbius function. In geometry, a Möbius transformation of the plane is a rational function of the form of one complex variable z; here the coefficients a, b, c, d are complex numbers satisfying ad − … Wikipedia

**Antiparallelogram** — An antiparallelogram An antiparallelogram (also called a contraparallelogram[1] or crossed parallelogram[2]) is a quadrilateral in which, like a parallelogram, the p … Wikipedia

**Force** — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate … Wikipedia