Name: resultant force from tugboats
Uploaded: 2023-09-22T11:49:19.000Z
Duration: 1 min 23 s
Channel: JoVE

La suma vectorial de dos o más vectores de fuerza se puede hacer usando la ley del paralelogramo para obtener la fuerza resultante.
Pensemos en un barco tirado por dos pequeños remolcadores. Las dos fuerzas, F1 y F2, actúan sobre el barco al mismo tiempo.
Para encontrar la fuerza neta usando la ley del paralelogramo, dibuja líneas paralelas a ambos vectores de fuerza de modo que se forme un paralelogramo.
Ahora, la diagonal del paralelogramo representa la fuerza neta FN en el barco debido a los dos remolcadores. Se expresa como la suma vectorial de las fuerzas F1 y F2 .
Supongamos ahora que una tercera fuerza de otro remolcador actúa sobre el barco.
Se forma otro paralelogramo, usando FN y la tercera fuerza F3. La diagonal de este nuevo paralelogramo da la fuerza resultante sobre el barco debida a los tres remolcadores.
Aquí, la fuerza resultante sobre el barco se expresa como la suma vectorial de las tres fuerzas.

<ol>
	<li>Hibbeler, R.C. (2016). Ingeniería Mecánica \u2012 Estática y Dinámica. Hoboken, Nueva Jersey: Pearson Prentice Hall. págs. 18-22</li>
	<li>Cerveza, F.P.; Johnston, E.R.; Mazurek, D.F.; Cromwell, P.J. y Self, B.P. (2019). Mecánica vectorial para ingenieros: estática y dinámica. Nueva York: McGraw-Hill. págs. 29</li>
</ol>

suma vectorial de fuerzas

Para de entender los efectos de múltiples fuerzas que actúan sobre un objeto, la suma vectorial es un concepto crucial para comprender. Este concepto matemático se puede utilizar para calcular la fuerza neta que actúa sobre un objeto cuando intervienen dos o más fuerzas. Para entender el concepto de suma vectorial, considera el escenario de un barco siendo tirado por dos pequeños remolcadores. Las dos fuerzas, F1 y F2, actúan simultáneamente sobre el barco en diferentes direcciones. La ley del paralelogramo se puede utilizar para calcular la fuerza neta que actúa sobre el barco. La ley del paralelogramo es útil en la suma vectorial porque proporciona un método geométrico para sumar dos vectores juntos. Indica que cuando los lados adyacentes de un paralelogramo representan dos vectores, la diagonal que pasa por su intersección representa la suma vectorial de los dos vectores. Para aplicar esta ley en el contexto del barco que es remolcado por dos remolcadores, se dibujan líneas paralelas a ambos vectores de fuerza para formar un paralelogramo. Luego, se traza una línea diagonal a través de la intersección de los dos vectores. Esta diagonal representa la fuerza resultante o neta que actúa sobre el barco debido a los dos remolcadores. Esta fuerza neta se expresa como la suma vectorial de las dos fuerzas. Sin embargo, si se introduce una tercera fuerza F3, se dibuja otro paralelogramo. Esta vez, la fuerza resultante anterior F1 + F2 se utiliza como un lado del nuevo paralelogramo, con la tercera fuerza F3 como el otro lado. Una vez más, la diagonal de este paralelogramo representa la fuerza resultante o neta que actúa sobre el barco debido a los tres remolcadores. Esta fuerza neta sobre el barco se expresa como la suma vectorial de las tres fuerzas, es decir, F1 + F2 + F3. La suma vectorial es una herramienta poderosa para entender los efectos de múltiples fuerzas que actúan sobre un objeto. Es crucial para varios campos, incluyendo la física, la ingeniería y las matemáticas. Al entender la ley del paralelogramo y el concepto de suma vectorial, se pueden realizar cálculos y predicciones precisas sobre la fuerza neta que actúa sobre un objeto.

Suma vectorial de fuerzas

A la hora de comprender los efectos de múltiples fuerzas que actúan sobre un objeto, la suma de vectores es un concepto crucial que hay que comprender. Este concepto matemático puede ser ...

Education

Educación

JoVE Core

Mechanical Engineering

Ingeniería Mecánica

Unit 1

Unidad 1

Force Vectors

Vectores de fuerza

KEY TERMS AND CONCEPTS

TÉRMINOS Y CONCEPTOS CLAVE

Vector Addition of Forces

resultant force from tugboats

Resultant force can be found with vector addition when two or more forces act on the same object. This idea helps explain how multiple pulls combine to create one net force. It is a key tool for understanding motion in physics.

A clear example is a ship pulled by two small tugboats. The forces, F1 and F2, act at the same time but in different directions. The net force on the ship is the vector sum of those two forces.

The parallelogram law gives a geometric way to add vectors. In this method, the two force vectors form adjacent sides of a parallelogram. The diagonal through their intersection shows the resultant, or net force.

To use the law for the tugboat example, parallel lines are drawn to both force vectors to complete the parallelogram. Then a diagonal is drawn across the shape. That diagonal represents the net force acting on the ship from the two tugboats.

A third force, F3, can be added in the same way. A new parallelogram is drawn using the previous resultant, F1 + F2, as one side and F3 as the other. The diagonal of this second parallelogram gives the total resultant force, written as F1 + F2 + F3.

Vector addition is useful in physics, engineering, and mathematics. It helps scientists and engineers calculate and predict the net force on an object. The parallelogram law makes that prediction easier to picture and measure.

Resultant Force from Tugboats

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key terms and concepts

Learn how vector addition uses the parallelogram law to find the resultant force on a ship pulled by two or three tugboats in physics.

Resultant Force from Tugboats | 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.

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Resultant Force from Tugboats

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