Rigid body dynamics
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In classical mechanics, rigid body dynamics studies the movement of systems of interconnected bodies under the action of external forces. Along with statics, it forms the field of rigid body mechanics
Human body modelled as a system of rigid bodies of geometrical solids. Representative bones were added for better visualization of the walking person.
Kinematics
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Kinematics is a subfield of physics and a branch of geometry. In physics, kinematics studies the geometrical aspects of motion of physical objects independent of forces that set them in motion. Constr
Rigid body dynamics
…frames. This excludes bodies that display fluid, highly elastic, and plastic behavior. The dynamics of a rigid body system is described by the laws of kinematics and by the application of Newton's second law (kinetics) or their derivative form, Lagrangian mechanics. The solution of these equations of motion…
Each particle on the wheel travels in a planar circular trajectory (Kinematics of Machinery, 1876).
Illustration of a four-bar linkage from Kinematics of Machinery, 1876