rigid body
Sign in to saveidealization of a solid body in which deformation is neglected (distance between any two given points of a rigid body remains constant in time regardless of external forces exerted on it)
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A rigid body is an idealized object in physics that doesn't bend, stretch, or compress—the distance between any two points within it always stays the same, no matter what forces push or pull on it. This simplification is useful because it lets physicists and engineers analyze how objects move and rotate without having to account for the complicated ways real materials actually deform.
AI-generated from the Wikipedia summary — may contain errors.
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The position of a rigid body is determined by the position of its center of mass and by its attitude (at least six parameters in total).
In classical mechanics, a rigid body, also known as a rigid object, is a solid body in which deformation is zero or negligible, when a deforming pressure or deforming force is applied on it. The distance between any two given points on a rigid body remains constant in time regardless of external forces or moments exerted on it. A rigid body is usually considered as a continuous distribution of mass. Mechanics of rigid bodies is a field within mechanics where motions and forces of objects are studied without considering effects that can cause deformation (as opposed to mechanics of materials, where deformable objects are considered).