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

Three-Dimensional Force System01:30

Three-Dimensional Force System

3.0K
In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
3.0K
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

1.5K
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
1.5K
Modeling and Similitude01:12

Modeling and Similitude

713
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
713
Apparent Weight and the Earth's Rotation01:28

Apparent Weight and the Earth's Rotation

4.3K
Since all objects on the Earth's surface move through a circle every 24 hours, there must be a net centripetal force on each object, directed towards the center of that circle. The points of the north and south poles are the only exception to this rule.
For an object on the Earth's equator, the net centripetal force that accounts for its rotation is the Earth's pull towards its center, or the weight minus the normal force that prevents it from piercing into the Earth's surface....
4.3K
Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

839
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
839
Weightlessness01:01

Weightlessness

7.3K
When an object is dropped, it accelerates toward the center of the Earth. If the net external force on the object is its weight, it is said to be in free fall; that is, the only force acting on the object is gravity. Galileo was instrumental in showing that, in the absence of air resistance, all objects fall with the same acceleration g. However, when objects on the Earth fall downward, they are never truly in free fall, because there is always some upward resistance force from the air acting...
7.3K

You might also read

Related Articles

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

Sort by
Same author

Cues for Haptic Perception of Compliance.

IEEE transactions on haptics·2009
Same author

Effects of regular moving and handling on the behavioral and physiological responses of pigs to preslaughter treatment and consequences for subsequent meat quality.

Journal of animal science·1998
Same author

Influence of castration followed by administration of LH-RH on the ultrastructure of rat pinealocytes.

Cell and tissue research·1976
Same author

The Brain of Fossil Animals-a Review.

Journal of anatomy·1930

Related Experiment Video

Updated: Mar 24, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

12.3K

Characterization of the Haptic Shape-Weight Illusion with 3D Objects.

M Kahrimanovic, Wouters Bergmann Tiest, A Kappers

    IEEE Transactions on Haptics
    |March 11, 2016
    PubMed
    Summary

    Object shape influences perceived weight, challenging the idea that size is the sole factor. This study explores the complex relationship between shape, size, and weight perception.

    Area of Science:

    • Psychology
    • Perception Science
    • Cognitive Science

    Background:

    • The perception of object properties like weight is influenced by various sensory and cognitive factors.
    • Previous research has established illusions such as the size-weight and shape-size illusions, indicating complex interactions in sensory perception.

    Purpose of the Study:

    • To investigate the direct effect of three-dimensional (3D) object shape on perceived weight.
    • To determine if perceived size is the sole determinant of the shape-weight illusion or if other factors are involved.

    Main Methods:

    • Participants were presented with objects of varying 3D shapes and sizes.
    • Perceived weight was measured through subjective reports and/or comparative tasks.

    Main Results:

    More Related Videos

    Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
    06:53

    Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

    Published on: March 1, 2017

    13.9K
    Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
    07:05

    Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

    Published on: October 27, 2016

    9.7K

    Related Experiment Videos

    Last Updated: Mar 24, 2026

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning
    14:38

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning

    Published on: November 2, 2012

    12.3K
    Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation
    06:53

    Creating Virtual-hand and Virtual-face Illusions to Investigate Self-representation

    Published on: March 1, 2017

    13.9K
    Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine
    07:05

    Visualization Method for Proprioceptive Drift on a 2D Plane Using Support Vector Machine

    Published on: October 27, 2016

    9.7K
    • A significant effect of 3D shape on perceived weight was observed.
    • The findings suggest that perceived size partially explains the shape-weight illusion, but is not the only contributing factor.

    Conclusions:

    • Object shape independently influences perceived weight, independent of perceived size.
    • The shape-weight illusion is a complex phenomenon, likely involving interactions between shape, size, and other perceptual cues.