1. lGiven a force vector F = {32l + 27] 12k} N and the axis a, whose direction is described by U: = 0.3453l + 0.4431] + 0.82?3k, what is the magnitude of the projection of F along the aaxis? a. 43.6 N b. 13.1 N c. 12.9 N d. 19.1 N 2. What is the magnitude of the vector F = {3m 22] +53k}ft? a. 64.3 ft b. 56.3 ft c. 35.0 ft d. 61.0 ft 3. 'v'ectorA has the coordinate direction angles a = 137\" and B = 82". What is the value of v? a. 32.?\" b. 48.1\" c. 20.3\" d. 6.21E| 4. If you have a 3D system in particle equilibrium, what is the max number of unknowns you can solve for? a. 2 b. 3 c. 4 d. 5 5. lSiiren the diagram below: determine the magnitude of the force component perpendicular to the bar. Assume the tension in cable AB is 525 lb and the component of this force acting along the axis of the bar is 175 lb. 3. 175 lb b. 350 lb c. 495 lb (1. 252 lb Diagram below is sourced from Engineering Mechanics: Statics and Dynamics Fourteenth Edition by R.C. Hibbeler. 2016 All rights reserved