5. [-/0.66 Points] DETAILS SERPSE10 12.A.OP.030. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the truss shown in the figure, built from three struts attached by three pins. The truss supports a downward force of F = 1,180 N applied at the point B. Assume the mass of the truss is negligible, the pins are frictionless, and the supports at A and C are also frictionless. nc n 101 02 (a) Assuming 8, = 25.50 and 82 = 50.00, what are na and ne? (Enter the magnitudes in N.) nA = no IN (b) The force any strut applies on a pin must be directed along the length of the strut as a force of tension or compression. What are the directions of the forces that the struts exert on the pins joining them? strut AB on joint A: ---Select-- strut AB on joint B: ---Select- strut BC on joint B: ---Select- strut BC on joint C: ---Select- strut AC on joint A: ---Select- strut AC on joint C: ---Select- Find the force of tension or of compression (in N) in each of the three struts. bar AB IN bar BC N bar AC IN