Mid Exam II Revision

Question 1 For the shaded area below, determine the X and Y coordinates of the centroid

Question 2 Calculate the y and x – coordinates of the centroid for the shaded area below.

Question 3 Determine the moment of Inertia about x and y axes for the shaded area below

Question 4 Determine the smallest force P that will cause impending motion. The crate and wheel have a mass of 50 kg and 25 kg, respectively. The coefficient of static friction between the crate and the ground is µs= 0.2 , and between the wheel and the ground . µs/ = 0.5

Question 5 Determine the force in member CG. Apply section method of analysis

Question 6 Determine the force in members AF and EJ of the truss shown when P = 2 kN and Q = 0. Apply section method of analysis