

Esfuerzo y deformación
Presentation
•
Physics
•
9th Grade
•
Hard
Jonathan Ricardo Ruiz Fajardo
Used 5+ times
FREE Resource
11 Slides • 5 Questions
1
Esfuerzo y deformación
Prof. Jonathan Ruiz

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4
Multiple Choice
Una fuerza (de tracción) de 225 N tiende a incrementar la longitud de una barra cuya sección transversal es de 0.14 m2. ¿Cuál es el valor del esfuerzo de tensión en la barra?
1607 m2N
6.22×10−4 m2N
31.5 m2N
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8
Multiple Choice
Una caja de 25 N se suspende mediante un cable con diámetro de 2 cm, ¿cuál es el esfuerzo aplicado al cable?
6.25 m2N
25 m2N
250,000 m2N
4×10−6 m2N
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11
Multiple Choice
Una varilla que empuja a una máquina recibe una fuerza de 400 N. Si dicha varilla tiene una sección transversal de 2 cm2, ¿cuál es el esfuerzo de compresión?
2×106 m2N
5×10−7 m2N
0.08 m2N
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15
Fill in the Blanks
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16
Multiple Choice
Una varilla de 45 cm se deforma por compresión 0.25%, ¿Cuánto disminuye la longitud de la varilla?
47.68 cm
45.23 cm
44.11 cm
46.25
Esfuerzo y deformación
Prof. Jonathan Ruiz

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