Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Elastic Collisions: Introduction01:00

Elastic Collisions: Introduction

15.4K
An elastic collision is one that conserves both internal kinetic energy and momentum. Internal kinetic energy is the sum of the kinetic energies of the objects in a system. Truly elastic collisions can only be achieved with subatomic particles, such as electrons striking nuclei. Macroscopic collisions can be very nearly, but not quite, elastic, as some kinetic energy is always converted into other forms of energy such as heat transfer due to friction and sound. An example of a nearly...
15.4K
Elastic Collisions: Case Study01:15

Elastic Collisions: Case Study

21.0K
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
21.0K
Conservation of Linear Momentum for a System of Particles01:28

Conservation of Linear Momentum for a System of Particles

607
In the dynamic realm of billiards, a fascinating interplay of forces governs the motion of cue balls and stationary balls. When the cue ball collides with a stationary ball, linear momentum is exchanged. The cue ball imparts a fraction of its linear momentum to the stationary ball, causing the cue ball to decelerate while initiating the motion of the stationary ball.
The impulsive force at play during this interaction is of extremely short duration, rendering its impulse negligible. When...
607
Types of Collisions - II01:19

Types of Collisions - II

10.4K
When two or more objects collide with each other, they can stick together to form one single composite object (after collision). The total mass of the object after the collision is the sum of the masses of the original objects, and it moves with a velocity dictated by the conservation of momentum. Although the system's total momentum remains constant, the kinetic energy decreases, and thus such a collision is an inelastic collision. Most of the collisions between objects in daily life are...
10.4K
Principle of Linear Impulse and Momentum for a System of Particles01:21

Principle of Linear Impulse and Momentum for a System of Particles

642
In the context of a system of particles moving relative to an inertial frame of reference, the equation of motion is a crucial tool for understanding the dynamics of the system. This equation, which accounts for external forces acting on each particle, plays a fundamental role in describing the system's behavior.
Notably, internal forces between particles, occurring in equal and opposite collinear pairs, cancel out and are not part of the equation of motion. This exclusion simplifies the...
642
Types Of Collisions - I01:04

Types Of Collisions - I

9.7K
When two objects come in direct contact with each other, it is called a collision. During a collision, two or more objects exert forces on each other in a relatively short amount of time. A collision can be categorized as either an elastic or inelastic collision. If two or more objects approach each other, collide and then bounce off, moving away from each other with the same relative speed at which they approached each other, the total kinetic energy of the system is said to be conserved. This...
9.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Experimental demonstration of optical stochastic cooling.

Nature·2022
Same author

Direct observation of vortices in an electron fluid.

Nature·2022
Same author

Emerging scale invariance in a model of turbulence of vortices and waves.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2022
Same author

Second-harmonic generation as a minimal model of turbulence.

Physical review. E·2021
Same author

Entropic characterization of the coil-stretch transition of polymers in random flows.

Physical review. E·2021
Same author

PRO-INFLAMMATORY EFFECTS OF EXPERIMENTAL HYPERTHYROIDISM IN COLON OF MICE (IMMUNOHISTOCYTOCHEMICAL STUDY).

Georgian medical news·2019

Related Experiment Video

Updated: Mar 19, 2026

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
11:51

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions

Published on: February 22, 2018

9.2K

Inelastic collapse and near-wall localization of randomly accelerated particles.

S Belan1,2, A Chernykh3,4, V Lebedev1,2

  • 1Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia.

Physical Review. E
|June 15, 2016
PubMed
Summary

Inelastic collapse occurs in randomly forced particle systems, even with spatial variations. The critical restitution coefficient for this phenomenon is universal, impacting particle distribution near boundaries.

More Related Videos

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
09:44

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

13.5K
Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids
10:09

Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids

Published on: March 5, 2014

13.0K

Related Experiment Videos

Last Updated: Mar 19, 2026

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
11:51

Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions

Published on: February 22, 2018

9.2K
Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System
09:44

Laboratory Drop Towers for the Experimental Simulation of Dust-aggregate Collisions in the Early Solar System

Published on: June 5, 2014

13.5K
Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids
10:09

Fast Imaging Technique to Study Drop Impact Dynamics of Non-Newtonian Fluids

Published on: March 5, 2014

13.0K

Area of Science:

  • Statistical physics
  • Dynamical systems
  • Fluid mechanics

Background:

  • Inelastic collapse describes a particle reaching a boundary with zero velocity after infinite collisions.
  • This phenomenon was initially observed for randomly accelerated particles in a half-space.
  • The critical restitution coefficient (βc) governs the occurrence of inelastic collapse.

Purpose of the Study:

  • To investigate inelastic collapse in systems with spatially inhomogeneous random forcing.
  • To determine the universality of the critical restitution coefficient (βc).
  • To analyze the influence of inelastic collapse on particle distribution and equilibrium states.

Main Methods:

  • Analysis of stochastic trajectories for randomly accelerated particles.
  • Derivation of the equilibrium probability density function (ρ(z,v)).
  • Extension of McKean's and Cornell et al.'s models to include spatial inhomogeneity.

Main Results:

  • Inelastic collapse is demonstrated to occur in a broad class of models with spatially inhomogeneous random forcing.
  • The critical restitution coefficient (βc) is found to be universal across these models.
  • An exact equilibrium probability density function (ρ(z,v)) is derived, existing only for β < βc.

Conclusions:

  • Inelastic collapse is a robust phenomenon in randomly forced particle systems, extending beyond simple models.
  • The universality of βc suggests fundamental properties of inelastic collisions in random environments.
  • The derived equilibrium distribution indicates that inelastic collapse does not inherently lead to particle accumulation at the boundary.