### Some articles on *rigid system, rigid, system*:

Parallel Axes Rule - Moment of Inertia Matrix

... The inertia matrix of a

... The inertia matrix of a

**rigid system**of particles depends on the choice of the reference point ... Consider the inertia matrix obtained for a**rigid system**of particles measured relative to a reference point S, given by where ri defines the position of particle Pi, i=1.. ... Let R be the center of mass of the**rigid system**, then where d is the vector from the reference point S to the center of mass R ...Inertia Tensor - Polar Moment of Inertia - Newton's Laws For Planar Movement

... Newton's laws for a

... Newton's laws for a

**rigid system**of N particles, Pi, i = 1.. ... The kinematics of a**rigid**body yields the formula for the acceleration of the particle Pi in terms of the position R and acceleration A of the reference particle as well as the angular velocity ... point ri and the unit vectors ti = kxei, so This yields the resultant torque on the**system**as where eixei = 0, and eixti = k is the unit vector perpendicular to the plane for all of the ...### Famous quotes containing the words system and/or rigid:

“A religion so cheerless, a philosophy so sorrowful, could never have succeeded with the masses of mankind if presented only as a *system* of metaphysics. Buddhism owed its success to its catholic spirit and its beautiful morality.”

—W. Winwood Reade (1838–1875)

“Let’s call something a *rigid* designator if in every possible world it designates the same object, a non-*rigid* or accidental designator if that is not the case. Of course we don’t require that the objects exist in all possible worlds.... When we think of a property as essential to an object we usually mean that it is true of that object in any case where it would have existed. A *rigid* designator of a necessary existent can be called strongly *rigid*.”

—Saul Kripke (b. 1940)

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