Mention two types of control and regulating structures

PROBLEM 1: Consider the force system shown with the following forces and given angles: F1 = 83 kN F2 = 35 KN F3 = 83 kN 01 = 16⁰ 02 = 12⁰ 03 = 22⁰ 04 = 40⁰ NOT TO BE UPLOADED OR SHARED ANY TUTORIAL SITES OR GROUPS 2.0= USTE ENGRAS AY2223 SHARED U NOT TO BE UPLOADED OR ANY TUTORIAL SITES OR ROUPS UST CE EN18 AY2223 A NOT TO BUPADED OR SHARED T TUTORIAL SITES OR GROUPS UST CE EN 2018 AY2223 0₁ F₁ NOT TO BE UPLOADED OR SHARED TO ANY TUTORIAL SITES OR GROUPS UST CE ENG2018 AY2223 0₂ X 03 04 F₂ DO NOT INCLUDE NEGATIVE SIGNS IN YOUR ANSWERS • Calculate the magnitude and direction of resultant with respect to the x-axis. 1. R= KN use 2 decimal places use 3 decimal places • Calculate the moment of the force system about point A, if L = 3.3 m. 3. M = kN-m use 3 decimal places F3

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For the structure and loading system shown: B) If the resultant force and couple pair is replaced by a single resultant force, where does its line of action intersects a vertical line along OB, measured from O?

6. Given: Structure shown below Find: (1) Orientation of the principal axes having an origin at C and (2) principal moments of inertia about these axes 20 mm 32.22 mm 100 mm 32.22 mm C 20 mm 100 mm