Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Rolling With Slipping

Rolling With Slipping

Rolling with slipping is a physical phenomenon that occurs when a rolling object experiences both rotational and linear motion but also experiences frictional forces that cause slipping. This phenomenon can occur in various situations, such as when a tire rolls on a wet road or a ball rolls on a rough surface.
An object's rolling motion is characterized by its rotation around its axis, while linear motion refers to the object's translational motion along a surface. Frictional forces can affect...

Types of Friction Problems

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.

Rolling Without Slipping

Rolling Without Slipping

People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is essential...

Friction: Problem Solving

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...

Rolling Resistance: Problem Solving

Rolling Resistance: Problem Solving

Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...

Relative Motion Analysis - Acceleration

Relative Motion Analysis - Acceleration

A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...

You might also read

Related Articles

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

Sort by

Same author

Endocrine dysfunction induced by anti-PD-1 antibody and tyrosine kinase inhibitor in a pediatric patient with renal cell carcinoma.

Clinical pediatric endocrinology : case reports and clinical investigations : official journal of the Japanese Society for Pediatric Endocrinology·2026

Same author

Association between maternal work environment and health-related quality of life during pregnancy using the 8-item short-form health survey (SF-8): the Japan Environment and Children's Study.

European journal of obstetrics, gynecology, and reproductive biology·2026

Same author

Development of a novel cuff-free method for monitoring arterial stiffness using remote photoplethysmography (rPPG).

Scientific reports·2026

Same author

Indication of diurnal variations in the rat choroid plexus for cerebrospinal fluid secretion.

Biochemistry and biophysics reports·2026

Same author

Impact of prenatal manganese and selenium exposure on childhood thyroid hormone parameters up to 4 years of age: Japan environment and children's study.

Environment international·2026

Same author

Point light source generation for computer-generated holograms using WebGL: effects of camera alignment and depth extraction methods on the processing time.

Applied optics·2026

Search research articles

Related Experiment Video

Updated: Jul 7, 2026

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

Published on: August 25, 2020

"Walking-mode maps" based on slip/non-slip criteria.

Takeshi Yamaguchi¹, Kazuo Hokkirigawa

¹Graduate School of Engineering, Tohoku University, 6-6-01 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, Japan.

Industrial Health

|February 14, 2008

Summary

Walking-Mode Maps predict slip risk based on friction. A static friction coefficient above 0.47 prevents slips on level surfaces, and shorter steps further reduce slip probability.

Area of Science:

Biomechanics
Gait Analysis
Friction Studies

Background:

Understanding slip and non-slip conditions is crucial for preventing falls.
Existing models often lack detailed analysis of friction coefficients during different gait phases.

Purpose of the Study:

To propose and validate
Walking-Mode Maps
based on slip/non-slip criteria.
To analyze the influence of friction coefficients, step length, and walking speed on slip risk.
To develop a
Walking-Mode Map
for inclined surfaces.

Main Methods:

Defined slip/non-slip criteria using the traction coefficient (|F(h)/F(n)|) and static friction coefficient (μs).

More Related Videos

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Published on: January 15, 2016

Home-Based Monitor for Gait and Activity Analysis

Home-Based Monitor for Gait and Activity Analysis

Published on: August 8, 2019

Related Experiment Videos

Last Updated: Jul 7, 2026

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

Published on: August 25, 2020

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Published on: January 15, 2016

Home-Based Monitor for Gait and Activity Analysis

Home-Based Monitor for Gait and Activity Analysis

Published on: August 8, 2019

Developed

Walking-Mode Maps

for level and inclined surfaces.

Conducted tests under controlled conditions with varying step lengths (0.55-0.95 m) and speeds (1.0-1.9 m/s).

Main Results:

A static friction coefficient > 0.47 prevents forward and backward slips on level surfaces within tested parameters.
Shorter step lengths were found to decrease the likelihood of slips.
Inclined surface analysis revealed distinct slip regimes based on friction and inclination angle (e.g., forward slip during descent, backward slip during ascent).

Conclusions:

The proposed
Walking-Mode Maps
provide a framework for assessing slip risk during ambulation.
Static friction is a key factor in preventing slips, with a threshold of 0.47 identified for level surfaces.
Further research with larger sample sizes is needed to generalize findings, especially for inclined surface locomotion.