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

Kinetic Friction01:26

Kinetic Friction

1.5K
Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the two surfaces. This frictional force resists the car's movement and keeps it at rest. However, when the applied force by the truck surpasses the limiting static frictional force, an interesting phenomenon occurs. The frictional force at the interface reduces to a lower value, known as the kinetic frictional force. At this point, the car...
1.5K
Types of Friction Problems01:27

Types of Friction Problems

994
Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion between two surfaces in contact. One of the most common types of friction encountered in various applications is dry friction. Dry friction problems can be broadly categorized into three types, each with unique characteristics and challenges.
The first type of dry friction problem involves situations where there is no apparent impending motion....
994
Friction: Problem Solving01:21

Friction: Problem Solving

514
Friction is an essential force that influences the motion of objects in daily life. Depending on the situation, it can be either beneficial or problematic. Consider a bus with a mass of three megagrams and its center of mass at a specific point, moving along a banked road at a constant speed. The coefficient of static friction between the tires and the road is 0.5. Find the maximum angle of the banked road at which the bus would not slip or tip.
Initially, a visual representation of the...
514
Protein-protein Interfaces02:04

Protein-protein Interfaces

14.8K
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
14.8K
Frictional Force01:07

Frictional Force

10.0K
When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
10.0K
Dry Friction01:30

Dry Friction

996
Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in various forms, such as when walking on the ground, sliding an object across a table, or rubbing hands together. Despite its ubiquity, the underlying mechanisms behind dry friction are not readily visible.
To illustrate this concept, imagine a wooden crate resting on a rough, non-uniform horizontal surface. When an external force is applied to...
996

You might also read

Related Articles

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

Sort by
Same author

Harnessing intuitive local evolution rules for physical learning.

Physical review. E·2026
Same author

Soft Spots in Shell Buckling.

Physical review letters·2025
Same author

Cornerstones are the key stones: using interpretable machine learning to probe the clogging process in 2D granular hoppers.

Soft matter·2025
Same author

Stochastic dynamics of granular hopper flows: A configurational mode controls the stability of clogs.

Physical review. E·2025
Same author

Machine learning without a processor: Emergent learning in a nonlinear analog network.

Proceedings of the National Academy of Sciences of the United States of America·2024
Same author

Bellybutton: accessible and customizable deep-learning image segmentation.

Scientific reports·2024

Related Experiment Video

Updated: Feb 8, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

30.9K

Nonmonotonic Aging and Memory in a Frictional Interface.

Sam Dillavou1, Shmuel M Rubinstein2

  • 1Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.

Physical Review Letters
|June 16, 2018
PubMed
Summary

Frictional interfaces exhibit glassy dynamics, showing memory and aging effects. This behavior, influenced by interface geometry, suggests friction is a complex glassy system.

More Related Videos

A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

12.1K
Hydrogen Charging of Aluminum using Friction in Water
07:50

Hydrogen Charging of Aluminum using Friction in Water

Published on: January 28, 2020

6.5K

Related Experiment Videos

Last Updated: Feb 8, 2026

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
09:05

Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)

Published on: June 12, 2017

30.9K
A Real-world What-Where-When Memory Test
09:13

A Real-world What-Where-When Memory Test

Published on: May 16, 2017

12.1K
Hydrogen Charging of Aluminum using Friction in Water
07:50

Hydrogen Charging of Aluminum using Friction in Water

Published on: January 28, 2020

6.5K

Area of Science:

  • Physics of complex systems
  • Tribology
  • Materials science

Background:

  • Glassy dynamics and relaxation phenomena are key in disordered systems.
  • Understanding friction requires characterizing contact mechanics and interface properties.
  • Nonmonotonic aging and memory effects are hallmarks of glassy behavior.

Purpose of the Study:

  • To investigate the presence of glassy dynamics in frictional interfaces.
  • To explore the influence of interface geometry on frictional behavior.
  • To develop a theoretical model for friction incorporating microcontact dynamics.

Main Methods:

  • Measurement of static frictional resistance under varying normal loads.
  • Real area of contact determination between solid blocks.
  • Development and application of a theoretical model for frictional interfaces.

Main Results:

  • Observed nonmonotonic aging and memory effects in frictional systems.
  • Demonstrated the significant role of discrete interface geometry (microcontacts) in these dynamics.
  • Validated results against a proposed theoretical model.

Conclusions:

  • Frictional interfaces behave as glassy systems.
  • Nonmonotonic relaxation is a generic characteristic of such systems.
  • Interface geometry is crucial for understanding frictional dynamics and memory effects.