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Equilíbrio

Prof. Christian de Pinho Ramos. Equilíbrio. F = 30 N. Ex.:. F = 20 N. 2. 1. F = 40 N. 4. F = 80 N. 7. F = 10 N. As forças se anulam. 5. F = 30 N. 6. Equilíbrio do ponto material. F = 50 N. 3. Os momento s se anulam. M = M. torque horário.

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Equilíbrio

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  1. Prof. Christian de Pinho Ramos Equilíbrio

  2. F = 30 N Ex.: F = 20 N 2 1 F = 40 N 4 F = 80 N 7 F = 10 N As forças se anulam. 5 F = 30 N 6 Equilíbrio do ponto material F = 50 N 3

  3. Os momentos se anulam. M = M torque horário torque anti-horário As forças se anulam. Equilíbrio do corpoextenso Obs.: Momento = Força x Distância (Distância : do ponto de aplicação da força ao ponto de apoio)

  4. Ex.: F F 2 1 F 4 F 5 F 6 (para cima) (para baixo) F + F + F = F + F + F As forças se anulam : 1 3 5 2 4 6 F Os momentos se anulam : 3 (torque anti-horário) (torque horário) F .d + F . d + F . d = F . d + F . d 1 1 4 4 6 6 2 2 5 5

  5. (apoio) (AH) (H) Ex.: F F 2 1 d d d d d 6 5 4 2 1 F 4 (AH) F 5 (H) (H) F 6 (para cima) (para baixo) F + F + F = F + F + F As forças se anulam : 1 3 5 2 4 6 F Os momentos se anulam : 3 (torque anti-horário) (torque horário) F .d + F . d + F . d = F . d + F . d 1 1 4 4 6 6 2 2 5 5

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