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In physics and engineering, a free body diagram (FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a free body in a given condition. It depicts a body or connected bodies with all the applied forces and moments, and reactions, which act on the body(ies).
Diagram of a gyro wheel. Reaction arrows about the output axis (blue) correspond to forces applied about the input axis (green), and vice versa. A gyroscope is an instrument, consisting of a wheel mounted into two or three gimbals providing pivoted supports, for allowing the wheel to rotate about a single axis. A set of three gimbals, one ...
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Free body diagram of block on ramp. Español: Bloque sobre un plano inclinado (arriba) y diagrama de cuerpo libre de ese mismo bloque (abajo). Italiano: Un blocco su di un piano inclinato (in alto) e il corrispondente diagramma di corpo libero del solo blocco (in basso).
When an object is not perfectly rigid, inelastic dissipation will tend to damp torque-free precession, [3] and the rotation axis will align itself with one of the inertia axes of the body. For a generic solid object without any axis of symmetry, the evolution of the object's orientation, represented (for example) by a rotation matrix R that ...
Nutation (from Latin nūtātiō 'nodding, swaying') is a rocking, swaying, or nodding motion in the axis of rotation of a largely axially symmetric object, such as a gyroscope, planet, or bullet in flight, or as an intended behaviour of a mechanism.
The diagram illustrates a four-wheel vehicle, in which the front axle is located a metres ahead of the centre of gravity and the rear axle is b metres towards the rear from the center of gravity. The body of the car is pointing in a direction θ {\displaystyle \theta } (theta) while it is travelling in a direction ψ {\displaystyle \psi } (psi).
Date/Time Thumbnail Dimensions User Comment; current: 19:32, 13 January 2021: 98 × 127 (9 KB): Lilbitmessy {{Valid SVG}} {{Information |description = Free body diagram of a body on which only gravity and air resistance acts |source = Wikipedia file File:Free_body_diagram2.png (Public Domain) |date = 2021-01-13 |author = Original by Skorkmaz; Derivative SVG by Lilbitmessy}}