For the three levers shown in Fig. 7-1, determine the vertical forces F 1 , F 2

Question:

For the three levers shown in Fig. 7-1, determine the vertical forces F₁, F₂, and F₃ required to support the load F_W = 90 N. Neglect the weights of the levers. Also find the IMA, AMA, and efficiency for each system. F 4.0 m (a) 2.0 m Fw 1.0 m 3.0 m Fw (b) F2 A 60 F3 30 5.0 m (c) B 2.0 m Fw