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s344n2d4d5 [400]
3 years ago
12

Please help! And 20 points! :3 I need help with these 3 questions- -3-||

Mathematics
1 answer:
BaLLatris [955]3 years ago
7 0

Answer:

where r the questions--?

Step-by-step explanation:

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Una caja de 25 newtons se suspende mediante un cable con diámetro de 2cm¿cuál es el esfuerzo aplicado al cable?
Naddik [55]

El cable experimenta un esfuerzo axial de 79577.472 pascales por el peso de la caja.

<h3>¿Cómo calcular el esfuerzo aplicado sobre el cable?</h3>

La caja tiene masa y está sometida a un campo gravitacional, por tanto, tiene un peso (W), en newtons. Por el principio de acción y reacción (tercera ley de Newton), encontramos que el cable es tensionado debido a ese peso y su área transversal experimenta un esfuerzo axial (σ), en pascales.

Asumiendo una distribución uniforme de la fuerza sobre toda la superficie transversal de la cuerda, tenemos que el esfuerzo axial se calcula mediante la siguiente expresión:

σ = W / (π · D² / 4)

Donde:

  • W - Peso de la caja, en newtons.
  • D - Diámetro del área transversal de la caja, en metros.

Si sabemos que W = 25 N y D = 0.02 m, entonces el esfuerzo axial aplicado a la cuerda es:

σ = 25 N / [π · (0.02 m)² / 4]

σ ≈ 79577.472 Pa

<h3>Observación</h3>

La falta de problemas verificados en español sobre esfuerzos axiales obliga a buscar uno equivalente en inglés.

Para aprender más sobre esfuerzos axiales: brainly.com/question/13683145

#SPJ1

5 0
1 year ago
PLEASE PLEASE HELP!!! I just need to catch up!!
Kay [80]
1. S.S.A
2.S.A.A
3. That looks like the same question as two I can't quite see it.
6 0
3 years ago
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Eduardwww [97]

63 is your answer :)

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2 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
4vir4ik [10]
I hope this helps you

8 0
2 years ago
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The graph on the left represents a system of
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Answer:1. find the intersection, 2.) 0 and 1, 3,) 2 and 3, 4.) 0.4, 2.8

Step-by-step explanation:

8 0
3 years ago
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