Jove
Visualize
Contact Us

Related Concept Videos

Static and Kinetic Frictional Force01:05

Static and Kinetic Frictional Force

24.9K
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...
24.9K
Types of Friction Problems01:27

Types of Friction Problems

900
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....
900
Characteristics of Dry Friction01:21

Characteristics of Dry Friction

919
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...
919
Static Friction01:18

Static Friction

1.3K
Static friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. It plays a crucial role in our daily lives, from walking on the ground to driving a car.
For example, consider a scenario where a truck is connected to a car by a rope, ready to tow it along a road. When no external force is applied by the truck, the car remains stationary and is said to be in static equilibrium. In this case, the forces acting on the car, such as gravity and the...
1.3K
Frictional Force01:07

Frictional Force

9.4K
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...
9.4K
Dry Friction01:30

Dry Friction

845
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...
845

You might also read

Related Articles

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

Sort by
Same author

Interaction forces reflect the perception of texture during active exploration.

bioRxiv : the preprint server for biology·2026
Same author

Effect of Risks, Consequences, and Gravitational Priors on Sensorimotor Coordination: Insights from Weightlessness.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026
Same author

A systematic review of artificial intelligence in child and adolescent interventions: from psychotherapy to developmental support.

European child & adolescent psychiatry·2026
Same author

Sub-surface deformation of individual fingerprint ridges during tactile interactions.

eLife·2025
Same author

3-D Reconstruction of Fingertip Deformation During Contact Initiation.

Multisensory research·2025
Same author

Interference between Flexible and Adaptive Reaching Control.

eNeuro·2025
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 Experiment Video

Updated: Dec 30, 2025

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

12.9K

Step-Change in Friction Under Electrovibration.

Idil Ozdamar, M Reza Alipour, Benoit P Delhaye

    IEEE Transactions on Haptics
    |January 17, 2020
    PubMed
    Summary

    Users perceive rising friction (RF) more intensely than falling friction (FF) on electrovibrated touchscreens. This difference in tactile perception is linked to distinct contact mechanics and skin viscoelasticity during friction changes.

    More Related Videos

    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
    11:44

    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

    Published on: August 15, 2014

    10.7K
    Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
    07:17

    Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor

    Published on: August 3, 2018

    6.3K

    Related Experiment Videos

    Last Updated: Dec 30, 2025

    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

    12.9K
    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators
    11:44

    Real-Time DC-dynamic Biasing Method for Switching Time Improvement in Severely Underdamped Fringing-field Electrostatic MEMS Actuators

    Published on: August 15, 2014

    10.7K
    Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
    07:17

    Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor

    Published on: August 3, 2018

    6.3K

    Area of Science:

    • Haptics
    • Tribology
    • Human-Computer Interaction

    Background:

    • Electrovibration enables tactile feedback on touchscreens, but understanding friction perception is limited.
    • Contact mechanics of friction changes under electrovibration require further investigation.

    Purpose of the Study:

    • Investigate tactile perception of friction changes (rising friction and falling friction) under electrovibration.
    • Explore the underlying contact mechanics during these friction transitions.
    • Determine the influence of normal force and sliding velocity on perception and mechanics.

    Main Methods:

    • Magnitude estimation experiments to quantify perceived tactile intensity.
    • Measurement of frictional force, apparent contact area, and fingerpad strain.
    • Sliding experiments under varying normal loads and constant velocity.

    Main Results:

    • Rising friction (RF) was perceived as more intense than falling friction (FF).
    • Normal force and sliding velocity significantly affected tactile perception.
    • Mechanical measurements showed higher friction change, contact area, and strain for RF than FF, especially at low normal forces.

    Conclusions:

    • Different contact mechanics occur during RF and FF due to skin viscoelasticity.
    • These mechanical differences directly influence the tactile perception of friction step changes.
    • Findings advance understanding of electrovibration tactile feedback and human-skin-surface interaction.