1. Mid Exam II Revision

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

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

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

8. 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

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

12. 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