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:
N2 = m2gCos30°
N2 = 6kg*9.81m/s^2Cos30°
N2 = 50.97N
Fr2 = 50.97N * 0.36
Fr2 = 18.35 N
sustituyendo e ∑Fx
T + 18.35N = a6kg
T = a6kg - 18.35N (B)
igualamos ecuaciones A y B
a2kg + 9.2214N = a6kg - 18.35N
despejando a
a2kg - a6kg = -18.35N - 9.2214N
a = 6.89 m/s^2
teniendo la aceleracion sustituimos en A o en B
T = a2kg + 9.2214N = 6.89m/s^2*2kg + 9.2214N = 23N
T = a6kg - 18.35N = 6.89m/s^2*6kg - 18.35N = 23N
T =23N
Ejercicio de dinamica

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Ejercicio de dinamica

  • 1. :
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. N2 = m2gCos30° N2 = 6kg*9.81m/s^2Cos30° N2 = 50.97N Fr2 = 50.97N * 0.36 Fr2 = 18.35 N sustituyendo e ∑Fx T + 18.35N = a6kg T = a6kg - 18.35N (B) igualamos ecuaciones A y B a2kg + 9.2214N = a6kg - 18.35N despejando a a2kg - a6kg = -18.35N - 9.2214N a = 6.89 m/s^2 teniendo la aceleracion sustituimos en A o en B T = a2kg + 9.2214N = 6.89m/s^2*2kg + 9.2214N = 23N T = a6kg - 18.35N = 6.89m/s^2*6kg - 18.35N = 23N T =23N