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Related Concept Videos

Impulse01:13

Impulse

21.7K
According to Newton’s second law of motion, the rate of change of the momentum of an object is the net external force acting on it. The total change in momentum between two timepoints thus depends on both the external force acting on it and the time over which it acts. Describing this mathematically, the total change of an object’s motion is proportional to the force vector and the time over which it is applied. This product is called impulse.
Additionally, it can be shown that the...
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Impulse Response01:17

Impulse Response

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The impulse response is the system's reaction to an input impulse. In an RC circuit, the voltage source is the input, and the capacitor's voltage is the output. The system's state and output response before and after input excitation are distinctly defined.
Kirchhoff's law forms an input signal equation, with the capacitor's current and voltage providing the output. Substituting the current and dividing by RC yields a differential equation. The output for an impulse input is the impulse...
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Machines01:19

Machines

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Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
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Principle of Impulse and Moment01:15

Principle of Impulse and Moment

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When one considers a rigid body undergoing a plane motion, which is essentially a blend of translational and rotational movement, the application of Newton's second law gives the formula for the translational movement of such a body. If this equation is multiplied by a time interval, dt, and then integrated over the limits of integration, it results in an equation that embodies the principle of linear impulse.
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Impulse-Momentum Theorem00:49

Impulse-Momentum Theorem

19.4K
The total change in the motion of an object is proportional to the total force vector acting on it and the time over which it acts. This product is called impulse, a vector quantity with the same direction as the total force acting on the object.
By writing Newton's second law of motion in terms of the momentum of an object and the external force acting on it, and simultaneously using the definition of the impulse vector, it can be shown that the total impulse on an object is equal to its...
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Machines: Problem Solving II01:30

Machines: Problem Solving II

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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.
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Related Experiment Video

Updated: Feb 12, 2026

Testing of all Six Semicircular Canals with Video Head Impulse Test Systems
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Testing of all Six Semicircular Canals with Video Head Impulse Test Systems

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Impulsivity profiles in pathological slot machine gamblers.

Núria Aragay1, Maite Barrios2, Isabel Ramirez-Gendrau1

  • 1Pathological Gambling Unit, Consorci Sanitari de Terrassa, Barcelona, (Spain); Department of Mental Health, Consorci Sanitari de Terrassa, Barcelona, (Spain).

Comprehensive Psychiatry
|April 7, 2018
PubMed
Summary
This summary is machine-generated.

Two impulsivity subtypes of gamblers were identified. High impulsivity in slot machine gamblers correlates with more severe gambling, greater psychopathology, and poorer emotional/executive function, suggesting tailored treatments.

Keywords:
Cluster analysisImpulsivityPathological gamblingSubtypesUPPS-P Impulsive Behavior Scale

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Area of Science:

  • Psychiatry
  • Psychology
  • Behavioral Science

Background:

  • Impulsivity is a key factor in gambling disorder (GD), influencing severity, treatment success, and dropout rates.
  • Understanding distinct impulsivity profiles in GD patients is crucial for effective intervention.

Purpose of the Study:

  • To empirically classify gambling disorder patients based on impulsivity.
  • To compare sociodemographic, clinical, and gambling behavior variables between identified impulsivity groups.

Main Methods:

  • 126 slot machine GD patients were assessed using the UPPS-P Impulsive Behavior Scale.
  • A two-step cluster analysis identified impulsivity profiles.
  • Sociodemographic, clinical (depression, anxiety, executive function), and gambling severity (NODS) data were collected.

Main Results:

  • Two clusters emerged: Cluster 1 (high on all UPPS-P subscales) and Cluster 2 (high on Negative Urgency and Lack of premeditation).
  • Cluster 1 patients were younger, exhibited higher depression and anxiety, poorer emotional regulation and executive functioning, and greater psychiatric comorbidity.
  • Cluster 1 also showed higher gambling severity (NODS scores) and more active gambling behavior at treatment initiation.

Conclusions:

  • Two distinct impulsivity subtypes of slot machine gamblers were identified.
  • High impulsivity is associated with more severe gambling, increased psychopathology, and impaired emotional/executive functioning.
  • These distinct profiles may necessitate tailored therapeutic strategies for gambling disorder.