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Related Concept Videos

Kinematic Equations - II01:17

Kinematic Equations - II

The second kinematic equation expresses the final position of an object in terms of its initial position, the distance traveled with the initial constant velocity, and the distance traveled due to a change in velocity. Similar to the first kinematic equation, this equation is also only valid when the acceleration is constant throughout the motion of an object.
Suppose a car merges into freeway traffic on a 200 m long ramp. If its initial velocity is 10 m/s and it accelerates at 2 m/s2, then the...
Kinematic Equations - III01:18

Kinematic Equations - III

The first two kinematic equations have time as a variable, but the third kinematic equation is independent of time. This equation expresses final velocity as a function of the acceleration and distance over which it acts. The fourth kinematic equation does not have an acceleration term and provides the final position of the object at time t in terms of the initial and final velocities. This equation is useful when the value of the constant acceleration is unknown.
Using the kinematic equations,...
Kinematic Equations - I01:26

Kinematic Equations - I

When an object moves with constant acceleration, the velocity of the object changes at a constant rate throughout the motion. The kinematic equations of motions are derived for such cases where the acceleration of the object is constant. The first kinematic equation gives an insight into the relationship between velocity, acceleration, and time. We can see, for example:
Kinematic Equations for Rotation01:30

Kinematic Equations for Rotation

In mechanics, when one observes a rigid body in rotational motion with constant angular acceleration, it is possible to establish equations for its rotational kinematics. This process resembles how linear kinematics are dealt with in simpler motion studies.
For instance, imagine a point A on a rigid body engaged in circular motion. The translational velocity of this particular point can be calculated by taking the time derivatives of the displacement equation, which essentially measures the...
Sign Convention01:30

Sign Convention

When analyzing a beam subjected to various loads, it is crucial to understand the internal forces and moments generated within the structure. These internal forces can be broadly classified into normal forces, shear forces, and bending moments. To determine these forces and moments, we use the method of sections and apply a specific sign convention based on their direction and the side of the section being analyzed.
The normal force acts perpendicular to the beam's cross-section and can cause...
Absolute Motion Analysis- General Plane Motion01:24

Absolute Motion Analysis- General Plane Motion

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 drone...

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Related Experiment Video

Updated: May 9, 2026

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents
04:37

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents

Published on: July 6, 2022

Kinematic parameters of signed verbs.

Evie Malaia1, Ronnie B Wilbur, Marina Milkovic

  • 1Correspondence to Evie Malaia: evie1706@gmail.com.

Journal of Speech, Language, and Hearing Research : JSLHR
|August 9, 2013
PubMed
Summary
This summary is machine-generated.

Sign language research shows kinematic features like motion are used for grammar. This study confirms Croatian Sign Language uses these motion features, supporting a universal linguistic principle.

Keywords:
Deafaccelerationmorphologyphonologypredicateprosodysign languagevelocity

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Area of Science:

  • Linguistics
  • Phonetics
  • Sign Language Studies

Background:

  • Sign languages utilize physical properties of visual motion for linguistic information.
  • Previous research on American Sign Language (ASL) demonstrated systematic use of kinematic features (e.g., velocity, deceleration) in dominant hand motion for semantic distinctions in verb classes.
  • These findings align with the event visibility hypothesis, suggesting universal application of kinematic features across sign languages.

Purpose of the Study:

  • To investigate the kinematic parameters of predicates in Croatian Sign Language (Hrvatskom Znakovnom Jeziku [HZJ]).
  • To test the crosslinguistic generalization of the event visibility hypothesis, which posits universal use of kinematic features in sign languages.

Main Methods:

  • Motion capture technology was employed to analyze the kinematic parameters of verb signs in HZJ.
  • The study focused on how event structure (semantics) and phrase position (prosody) influence these kinematic features.

Main Results:

  • Kinematic features of verb signs in HZJ were significantly influenced by both the event structure of the predicate and the sign's position within the sentence.
  • This indicates that motion characteristics are modulated by semantic and prosodic factors.

Conclusions:

  • The study provides the first crosslinguistic motion capture evidence that specific kinematic properties of articulator motion are grammaticalized in sign languages beyond ASL.
  • Data from HZJ demonstrate the recruitment of kinematic features in verb signs to convey morphological and prosodic information, supporting the universality of the event visibility hypothesis.