Engineering Mechanics Practice Test 3

1. A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support R.

2. A homogeneous plate is shown has a mass of 100kg and is subjected to a force and a system of couple along its edge. If it is supported by a horizontal plane and a roller at R a ball and socket joint at P and a cord at Q, determine the vertical reaction at the support Q.

3. Find the total resultant moment acting in the given figure consisting of a beam with various sections.

4. Find the tension in the cable AC.

5. If all the reactive forces are intersecting at the common point or pass through a common axis when _____________

6. Determine the vertical components of the reaction on the beam caused by the pin at Q.

7. The main condition for the rigid body is that the distance between various particles of the body does change.

8. In the figure given below, calculate the value of cosγ. (γ is the angle made by the resultant vector and the z-axis)

9. The difference between the two and the three force members is:

10. The improper constraining leading to instability occurs when ___________________