torque(momentofforce)力矩,hinge铰链,枢纽,analogyn.类比,analoguen.adj.,analogousadj.,emerge出现,intrinsic固有的,arbitrary任意的,rotationalinertia(momentofinertia)转动惯量,resolve分解,radial径向的,tangential切向的,momentarm力臂,cross-section截面,align排列,substitute替代,proportionality比例性,approximate...
《普通物理学》课件(英文)-第9章Rotational dynamics
(redirected fromRotational inertia) Thesaurus Encyclopedia moment of inertia n.pl.moments of inertia A measure of a body's resistance to angular acceleration, equal to: a.The product of the mass of a particle and the square of its distance from an axis of rotation. ...
We wish to calculate the rotational inertia (often called the moment of inertia) of the body IG about an axis (pointing out of the page) which passes through point G (the center of mass). A particle of mass mi is shown on the rigid body, with position (xi , yi). ...
of inertia (I), however, is always specified with respect to that axis and is defined as the sum of the products obtained by multiplying the mass of each particle of matter in a given body by the square of its distance from the axis. In calculatingangular momentumfor a rigid body, the...
Rotational inertia depends on the mass of the object and how this mass is distributed from the axis of rotation.What is Rotational Inertia? Consider a block of wood at rest on a surface. Since it is initially at rest, it will take a specific amount of force to make it move, which is...
Rotational dynamics refers to explanation (rather than mere description) of rotational motion of particle in space. This chapter introduces concepts of torque, angular momentum and rotational inertia with which to explain motion of physical pendulum. Perpendicular and parallel axis theorems for laminar as...
We investigate collective properties of a large system of soft self-propelled inertial disks with active Langevin dynamics simulation in two dimensions. Rotational inertia of the disks is found to favor motility induced phase separation (MIPS), due to in
It is often convenient, however, to express the energy of a rotating particle in terms of its rotational variables. The moment of inertia for continuous rigid bodies is readily calculated for some simple geometric shapes about an axis that coincides with an axis of symmetry of the body. A ...
If the molecular moments of inertia are sufficiently low and the spectrometer has adequate resolution, rotational fine structure can be resolved in the vibration–rotation band. For larger molecules, the fine structure is usually unresolved, resulting in a broad band. The contour of the band may ...