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

Moment of a Force: Problem Solving01:29

Moment of a Force: Problem Solving

Understanding the scalar formulation of the moment of a force and applying it correctly through problem-solving is crucial in designing and analyzing mechanical systems. Here are the steps for problem-solving with the moment of a force:
Machines: Problem Solving II01:30

Machines: Problem Solving II

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
Machines: Problem Solving I01:22

Machines: Problem Solving I

A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
Static Friction01:18

Static Friction

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...
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...
Frames: Problem Solving II01:26

Frames: Problem Solving II

Consider a hydraulic hoist supporting a load of 1 kN. Assuming a simplified schematic representation of this frame structure, the force acting on BD and BF members can be determined.

You might also read

Related Articles

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

Sort by
Same author

Familial aggregation of low birth weight among whites and blacks in the United States.

The New England journal of medicine·1995
Same author

Identification of a species specific regulatory site in human pancreatic cholesterol esterase.

Biochemistry·1995
Same author

Fibronectin peptide DRVPHSRNSIT and fibronectin receptor peptide DLYYLMDL arrest gastrulation of Rana pipiens.

Experientia·1995
Same author

Remodelling of hand representation in adult cortex determined by timing of tactile stimulation.

Nature·1995
Same author

Factors responsible for the Ca(2+)-dependent inactivation of calcineurin in brain.

FEBS letters·1995
Same author

Autoregulation of zonal glomerular filtration rate and renal blood flow in spontaneously hypertensive rats.

The American journal of physiology·1995

Related Experiment Video

Updated: May 25, 2026

Measurement of Spatial Stability in Precision Grip
09:36

Measurement of Spatial Stability in Precision Grip

Published on: June 4, 2020

Comparison between static maximal force and handbrake pulling force.

E Chateauroux1, X Wang

  • 1University of Lyon, F-69622, Lyon, France. elodie.chateauroux@ergoptim.fr

Work (Reading, Mass.)
|February 10, 2012
PubMed
Summary
This summary is machine-generated.

This study compared maximal static handbrake pulling force (FST) with normal handbrake task force (FDY). Results show both forces depend on handbrake position, age, and gender, with women needing more muscle exertion for the task.

More Related Videos

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers
11:30

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

Published on: June 16, 2015

One Dimensional Turing-Like Handshake Test for Motor Intelligence
14:05

One Dimensional Turing-Like Handshake Test for Motor Intelligence

Published on: December 15, 2010

Related Experiment Videos

Last Updated: May 25, 2026

Measurement of Spatial Stability in Precision Grip
09:36

Measurement of Spatial Stability in Precision Grip

Published on: June 4, 2020

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers
11:30

Measurement of Maximum Isometric Force Generated by Permeabilized Skeletal Muscle Fibers

Published on: June 16, 2015

One Dimensional Turing-Like Handshake Test for Motor Intelligence
14:05

One Dimensional Turing-Like Handshake Test for Motor Intelligence

Published on: December 15, 2010

Area of Science:

  • Ergonomics
  • Biomechanics
  • Human Factors Engineering

Background:

  • Assessing maximum pulling force is crucial for industrial worker safety and designing high-force controls.
  • Understanding the difference between maximal voluntary contraction and functional task force is key for realistic design parameters.

Purpose of the Study:

  • To compare maximal static handbrake pulling force (FST) with the force exerted during a normal handbrake pulling task (FDY).
  • To investigate the influence of handbrake position, age, and gender on these forces.
  • To analyze the ratio of functional force to maximal force (FmR) to understand muscle capability requirements.

Main Methods:

  • Participants performed both a normal handbrake parking task and a maximal voluntary contraction task on an adjustable car mock-up.
  • Hand pulling forces were measured using a six-axes force sensor.
  • Five fixed handbrake positions and one subject-defined neutral position were tested.

Main Results:

  • Maximal static handbrake pulling force (FST) was significantly higher than the force during normal task (FDY).
  • Both FST and FDY were significantly correlated and influenced by handbrake position, age, and gender.
  • Women exhibited higher force ratio (FmR), indicating greater relative muscle exertion required for the task compared to men.

Conclusions:

  • Handbrake design considerations must account for variations in user force exertion based on position, age, and gender.
  • The findings suggest that women may require higher relative muscle activation to perform the handbrake task, impacting design for inclusivity.
  • Data provides valuable insights for optimizing handbrake design for a diverse user population.