Name: types of equilibrium in forces
Uploaded: 2023-09-22T11:49:20.000Z
Duration: 1 min 30 s
Channel: JoVE

An object&#39;s equilibrium state can be categorized based on the force systems acting on it. They are collinear, coplanar concurrent, and coplanar non-concurrent forces.
Consider two individuals exerting equal and opposite forces while pulling a rope. The two forces acting on the rope are collinear such that the net force on the rope is zero. The system is in equilibrium.
In a coplanar concurrent force system, all the forces meet at a single point on the same plane.
Here, these forces can be resolved into their horizontal and vertical components.
For a system to remain in equilibrium, the upward and downward vertical forces must balance. Similarly, the leftward and rightward horizontal forces must also be equal and oppositely directed.
In a coplanar non-concurrent force system, the forces acting on the object are parallel. Here, the moment due to F3 is clockwise and is balanced by an anticlockwise moment due to F2.
Similarly, F1 is counterbalanced by the object&#39;s weight and the net moment and the net force on the object are zero, maintaining the equilibrium.

categorieën van evenwicht

Categories of Equilibrium

Evenwicht is een cruciaal concept in de natuurkunde, waardoor we kunnen begrijpen hoe krachten interactie hebben met lichamen om geen of constante beweging te produceren. In tweedimensionaal evenwicht kunnen krachtsystemen worden ingedeeld in verschillende categorieën op basis van hun kenmerken. Een van de categorieën van evenwicht is co-lineair evenwicht, waarin krachten langs een rechte lijn werken. Dit type evenwicht vereist slechts één kracht vergelijking in de richting van de krachten, aangezien de andere vergelijkingen automatisch worden voldaan. Een andere categorie is het co-planaire gelijktijdige evenwicht, waarbij alle werkende krachten samenkomen op één punt in hetzelfde vlak. In deze categorie kunnen de krachten worden opgelost in hun horizontale en verticale componenten om evenwicht te bepalen. De verticale en horizontale krachten moeten dezelfde grootte hebben en tegengesteld gericht zijn om elkaar in evenwicht te houden. De co-planaire niet-gelijktijdige evenwichtscategorie omvat krachten die parallel zijn maar niet op hetzelfde punt aangrijpen. In dit type evenwicht zijn de momenten als gevolg van de krachten in balans, wat resulteert in een nettokracht van nul op het object. Hiervoor moeten de momenten gegenereerd door de krachten gelijk zijn maar tegengesteld gericht. Ten slotte is algemeen evenwicht de meest complexe categorie, met elke willekeurige krachten niet noodzakelijk in één vlak. Dit type evenwicht vereist twee kracht vergelijkingen en een momentvergelijking om een oplossing te verkrijgen.

Categorieën van Evenwicht

Equilibrium is a crucial concept in physics, enabling us to understand how forces interact with bodies to produce no or constant motion. In ...

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Equilibrium of a Particle

Evenwicht van een deeltje

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types of equilibrium in forces

Equilibrium in physics describes how forces act on a body so it stays still or moves at a constant speed. In two-dimensional force systems, equilibrium can be grouped into several categories based on how the forces are arranged.

Collinear equilibrium is the simplest case. The forces act along one straight line, so only one force equation is needed in the direction of those forces. The other equations are already satisfied.

Coplanar concurrent equilibrium is another category. In this case, all the forces meet at one point in the same plane. The forces can be split into horizontal and vertical parts to check balance. The horizontal and vertical forces must be equal in magnitude and opposite in direction.

Coplanar non-concurrent equilibrium involves parallel forces that do not meet at one point. Here, the moments, or turning effects, from the forces must balance. The moments should be equal and opposite so the object has zero net force.

General equilibrium is the most complex category. It includes any number of forces that do not have to lie in one plane. Solving this case requires two force equations and one moment equation.

Types of Equilibrium in Forces

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Coplanar forces act on an object in the same plane. To analyze this kind of system, each force is resolved into x and y components using Cartesian vector form and vector algebra. This makes it possible to test whether the object is in equilibrium. A coplanar system is in equilibrium when the resultant force is zero. That means the sum of the forces in each direction must also be zero. If the forces do not balance, the object is not in equilibrium and will accelerate in the direction of the net...

categories of equilibrium

Equilibrium in physics describes how forces act on a body so it stays still or moves at a constant speed. In two-dimensional force systems, equilibrium can be grouped into several categories based on how the forces are arranged. Collinear equilibrium is the simplest case. The forces act along one straight line, so only one force equation is needed in the direction of those forces. The other equations are already satisfied. Coplanar concurrent equilibrium is another category. In this case, all...

key terms and concepts

Explore collinear, coplanar concurrent, coplanar non-concurrent, and general equilibrium. Learn how force and moment balance work in physics.

Types of Equilibrium in Forces | JoVE K12

JoVE Core Mechanical Engineering offers concise, easy-to-understand animated videos covering key topics such as equilibrium, forces, truss analysis, and structural mechanics. Explore their real-world applications, and witness these concepts in action through scientist-led experiments.

mechanical engineering

Types of Equilibrium in Forces

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