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

Frictional Force01:07

Frictional Force

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...
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

One of the simpler characteristics of sliding friction is that it is parallel to the contact surfaces between systems, and is always in a direction that opposes the motion or attempted motion of the systems relative to each other. If two systems are in contact and moving relative to one another, then the friction between them is called kinetic friction. For example, kinetic friction slows a hockey puck sliding on ice.
However, if two systems are in contact and are stationary relative to one...
Dry Friction01:30

Dry Friction

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...
Types of Friction Problems01:27

Types of Friction Problems

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.
Friction: Problem Solving01:17

Friction: Problem Solving

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...

You might also read

Related Articles

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

Sort by
Same author

Genome-wide association analysis of resistance to bacterial cold-water disease in an important rainbow trout aquaculture breeding population.

Frontiers in genetics·2025
Same author

Transcriptomic Profiles of Rainbow Trout (Oncorhynchus mykiss) Selectively Bred for High and Low Fillet Yield.

Marine biotechnology (New York, N.Y.)·2025
Same author

Optical and Plasmonic Properties of High-Electron-Density Epitaxial and Oxidative Controlled Titanium Nitride Thin Films.

The journal of physical chemistry. C, Nanomaterials and interfaces·2025
Same author

Chromosome level genome assembly and annotation of the Swanson rainbow trout homozygous line.

Scientific data·2025
Same author

Transcriptomic Response of the Ovarian Follicle Complex in Post-Vitellogenic Rainbow Trout to 17α,20β-Dihdroxy-4-pregnen-3-one In Vitro.

International journal of molecular sciences·2024
Same author

Genome-wide association analysis of the resistance to infectious hematopoietic necrosis virus in two rainbow trout aquaculture lines confirms oligogenic architecture with several moderate effect quantitative trait loci.

Frontiers in genetics·2024

Related Experiment Video

Updated: Jul 8, 2026

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults
07:39

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

Published on: November 6, 2021

Friction between solids.

Judith A Harrison1, Guangtu Gao, J David Schall

  • 1Department of Chemistry, United States Naval Academy, Annapolis, MD 21402, USA. jah@usna.edu

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|December 25, 2007
PubMed
Summary
This summary is machine-generated.

This study explores solid friction using molecular dynamics (MD) simulations, focusing on self-assembled monolayers and antiwear additives. Simulations provide molecular insights into friction, complementing experimental findings.

More Related Videos

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
09:21

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer

Published on: September 28, 2015

Related Experiment Videos

Last Updated: Jul 8, 2026

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults
07:39

The Role of Fabric in Frictional Properties of Phyllosilicate-Rich Tectonic Faults

Published on: November 6, 2021

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer
09:21

Experiments on Ultrasonic Lubrication Using a Piezoelectrically-assisted Tribometer and Optical Profilometer

Published on: September 28, 2015

Area of Science:

  • Materials Science
  • Tribology
  • Computational Physics

Background:

  • Friction is a fundamental phenomenon impacting numerous engineering applications.
  • Understanding the molecular basis of friction is crucial for developing advanced materials and lubricants.
  • Previous models of friction exist, but advanced simulation techniques offer deeper insights.

Purpose of the Study:

  • To theoretically examine the friction between solids.
  • To highlight the role of simulations in understanding friction at the molecular level.
  • To review early friction models and focus on specific material types.

Main Methods:

  • Classical molecular dynamics (MD) simulations are the primary theoretical tool.
  • Examples illustrating simulation-experiment synergy are discussed.
  • A brief review of early friction models is included.

Main Results:

  • Simulations provide molecular-level understanding of friction.
  • Focus on self-assembled monolayers, carbon-containing materials, and antiwear additives.
  • Demonstration of how simulations complement experimental friction studies.

Conclusions:

  • Classical MD simulations are effective for studying solid friction.
  • Simulations offer valuable insights into the molecular origins of friction.
  • Further research on electronic friction will be covered in a separate review.