Calculos y resultados laboratorio de fisica
Enviado por ulquiorra20 • 6 de Octubre de 2015 • Trabajos • 1.058 Palabras (5 Páginas) • 129 Visitas
Cálculos y Resultados:
Para El resorte[pic 1]
Sabemos que:
- ΔLO= ΔLN=error instrumental de la regla=0.05x10-2m
- ΔL= LN- LO
[pic 2]
[pic 3]
- [pic 4]
[pic 5]
[pic 6]
Deformación Unitaria para la carga:
Hallando ε1; ε2; ε3 y ε4
[pic 7]
[pic 8]
[pic 9]
Carga | LO (m) | LN(m) | ΔL(m) | ε | Δε (10-2) |
1 | 0.212 | 0.251 | 0.039 | 0.18 | 0.5 |
2 | 0.212 | 0.296 | 0.084 | 0.40 | 0.6 |
3 | 0.212 | 0.483 | 0.271 | 1.28 | 0.8 |
4 | 0.212 | 0.522 | 0.310 | 1.46 | 0.8 |
[pic 10]
Sabemos:[pic 11]
- 3cifras significativas[pic 13][pic 12]
- Δm=error instrumental de la balanza=0.0001 Kg
- ΔD=error instrumental del vernier=0.0025 cm
- F=mg
[pic 14]
[pic 15]
- [pic 16]
[pic 17]
[pic 18]
Áreas de la sección transversal para la carga:
Hallando [pic 19]
[pic 20]
[pic 21]
[pic 22]
[pic 23]
[pic 24]
Carga | m(Kg) | F(N) | D(cm) | S(cm2) | ΔS(cm2) |
1 | 0.5013 | 4.92 | 1.410 | 1.561 | 0.0055 |
2 | 0.7564 | 7.42 | 1.410 | 1.561 | 0.0055 |
3 | 1.7636 | 17.3 | 1.405 | 1.550 | 0.0055 |
4 | 2.0144 | 19.8 | 1.400 | 1.539 | 0.0055 |
Esfuerzos reales para la carga:
Hallando [pic 25]
[pic 26]
[pic 27]
[pic 28]
[pic 29]
Carga | [pic 30] | [pic 31] |
1 | 3.15 | 0.012 |
2 | 4.75 | 0.017 |
3 | 11.2 | 0.040 |
4 | 12.9 | 0.047 |
Carga | ε | Δε (10-2) | [pic 32] | [pic 33] |
1 | 0.18 | 0.5 | 3.15 | 0.012 |
2 | 0.40 | 0.6 | 4.75 | 0.017 |
3 | 1.28 | 0.8 | 11.2 | 0.040 |
4 | 1.46 | 0.8 | 12.9 | 0.047 |
Deformación unitaria para la descarga:
Hallando ε1; ε2; ε3 y ε4
[pic 34]
[pic 35]
[pic 36]
Descarga | LO (m) | LN(m) | ΔL(m) | ε | Δε (10-2) |
1 | 0.212 | 0.483 | 0.271 | 1.28 | 0.8 |
2 | 0.212 | 0.296 | 0.084 | 0.40 | 0.5 |
3 | 0.212 | 0.251 | 0.039 | 0.18 | 0.5 |
Áreas de la sección transversal para la descarga:
Hallando [pic 37]
[pic 38]
[pic 39]
[pic 40]
Descarga | m(Kg) | F(N) | D(cm) | S(cm2) | ΔS(cm2) |
1 | 1.7636 | 17.3 | 1.405 | 1.550 | 0.0055 |
2 | 0.7564 | 7.42 | 1.410 | 1.561 | 0.0055 |
3 | 0.5013 | 4.92 | 1.410 | 1.561 | 0.0055 |
Esfuerzos reales para la descarga:
Hallando [pic 41]
[pic 42]
[pic 43]
[pic 44]
Descarga | [pic 45] | [pic 46] |
1 | 11.2 | 0.040 |
2 | 4.75 | 0.017 |
3 | 3.15 | 0.012 |
Descarga | ε | Δε (10-2) | [pic 47] | [pic 48] |
1 | 1.28 | 0.8 | 11.2 | 0.040 |
2 | 0.40 | 0.6 | 4.75 | 0.017 |
3 | 0.18 | 0.5 | 3.15 | 0.012 |
Para el Hule
Masa | L0(m) | LN(m) | ΔL(m) | Ancho a (cm) | Ancho b (cm) | S (cm2) | ΔS (cm2) | Peso(N) | ε | Δε (10-2) | ||
Carga | 1 | 0.5013 | 0.257 | 0.371 | 0.114 | 1.725 | 0.460 | 0.794 | 0.0055 | 4.92 | 0.444 | 0.5 |
2 | 0.7564 | 0.257 | 0.448 | 0.191 | 1.630 | 0.450 | 0.734 | 0.0052 | 7.42 | 0.743 | 0.5 | |
3 | 1.7636 | 0.257 | 0.80 | 0.543 | 1.335 | 0.360 | 0.481 | 0.0042 | 17.3 | 2.11 | 0.8 | |
4 | 2.0144 | 0.257 | 0.865 | 0.608 | 1.320 | 0.350 | 0.462 | 0.0042 | 19.8 | 2.37 | 0.9 | |
Descarga | 1 | 1.7636 | 0.257 | 0.82 | 0.563 | 1.330 | 0.355 | 0.472 | 0.0042 | 17.3 | 2.19 | 0.8 |
2 | 0.7564 | 0.257 | 0.513 | 0.256 | 1.610 | 0.430 | 0.692 | 0.0051 | 7.42 | 0.996 | 0.6 | |
3 | 0.5013 | 0.257 | 0.412 | 0.155 | 1.690 | 0.465 | 0.786 | 0.0054 | 4.92 | 0.603 | 0.5 | |
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