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

Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

1.1K
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
1.1K
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

913
A stroke engine has a slider-crank mechanism that 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.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
913
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

832
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
832
Velocity of an Object01:18

Velocity of an Object

260
Understanding how an object moves along a path requires distinguishing between motion over a time span and motion at a precise moment. A useful example is a vehicle traveling along a straight and level path, where its position at any given time is known. The initial step in analyzing this motion is to measure how far the vehicle travels over a fixed time period. This measurement, called average velocity, is computed by dividing the total change in position by the duration over which the change...
260
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

683
Visualize a drone, with its propellers spinning rapidly, hovering mid-air. The fascinating movements and operations of this drone can be comprehended by applying the principle of general plane motion.
As the drone's propellers rotate, an upward force is generated that counteracts the force of gravity, enabling the drone to lift off from the ground. This initial movement of the drone is along a straight path, representing a form of translational motion. In this phase, every point on the...
683
Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

1.0K
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...
1.0K

You might also read

Related Articles

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

Sort by
Same author

Differences in dynamic motor selection in stuttering.

Current biology : CBยท2026
Same author

Learning shapes neural geometry in the primate prefrontal cortex.

Nature neuroscienceยท2026
Same author

Reverse engineering the centered self.

Psychological reviewยท2026
Same author

Running virtual reality experiments online: A brief introduction and tutorial.

Behavior research methodsยท2026
Same author

Effects of Age on Resting-State Cortical Networks.

Human brain mappingยท2026
Same author

Neural Signatures of Flexible Temporal Orienting under Spatial and Motor Uncertainty.

Journal of cognitive neuroscienceยท2026

Related Experiment Video

Updated: Mar 25, 2026

A Protocol for Real-time 3D Single Particle Tracking
10:16

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

15.4K

Tracking the changing feature of a moving object.

Julian De Freitas, Nicholas E Myers, Anna C Nobre

    Journal of Vision
    |February 20, 2016
    PubMed
    Summary

    The mind tracks object features, like orientation, continuously even when hidden. A systematic error shows the brain anticipates future states during occlusion.

    Area of Science:

    • Cognitive psychology
    • Visual perception
    • Neuroscience

    Background:

    • The human mind tracks moving objects' locations and features for action guidance.
    • Understanding how the mind tracks dynamic object features, especially during occlusion, is crucial.

    Purpose of the Study:

    • To investigate the mechanism by which the mind tracks changing object features, specifically orientation.
    • To determine if feature tracking persists during periods of invisibility (occlusion).

    Main Methods:

    • Participants tracked the changing orientation of a spoke on a rolling wheel.
    • Performance was analyzed for accuracy and systematic errors during visible and occluded periods.

    Main Results:

    • A feature-specific process continuously tracks orientation, even when the feature is not visible.

    More Related Videos

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
    13:02

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow

    Published on: February 27, 2016

    13.2K
    Tracking Rats in Operant Conditioning Chambers Using a Versatile Homemade Video Camera and DeepLabCut
    08:32

    Tracking Rats in Operant Conditioning Chambers Using a Versatile Homemade Video Camera and DeepLabCut

    Published on: June 15, 2020

    13.6K

    Related Experiment Videos

    Last Updated: Mar 25, 2026

    A Protocol for Real-time 3D Single Particle Tracking
    10:16

    A Protocol for Real-time 3D Single Particle Tracking

    Published on: January 3, 2018

    15.4K
    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
    13:02

    Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow

    Published on: February 27, 2016

    13.2K
    Tracking Rats in Operant Conditioning Chambers Using a Versatile Homemade Video Camera and DeepLabCut
    08:32

    Tracking Rats in Operant Conditioning Chambers Using a Versatile Homemade Video Camera and DeepLabCut

    Published on: June 15, 2020

    13.6K
  • A consistent perceptual error was observed, with orientation perceived ahead of its actual position.

    • Conclusions:

    • Mental representations of features are continuously updated and transformed, similar to object boundary tracking.
    • Anticipatory transformations during occlusion may explain the forward-shifted perception of orientation.