Related Mcqs:

1. The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to__________________?

   A. the algebraic sum of the resolved parts of the forces in the given direction
   B. the sum of the resolved parts of the forces in the given direction
   C. the difference of the forces multiplied by the cosine of 9
   D. the sum of the forces multiplied by the sine of 9
   E. the sum of the forces multiplied by the tangent of 9

2. The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are____________________?

   A. 2 and V6
   B. 3 and 1 kg
   C. V5andV5
   D. 2 and 5
   E. none of the above

3. The algebraic sum of moments of the forces forming couple about any point in their plane is________________?

   A. equal to the moment of the couple
   B. constant
   C. both of above are correct
   D. both of above are wrong
   E. none of the above

4. The algebraic sum of moments of the forces forming couple about any point in their plane is_________________?

   A. equal to the moment of the couple
   B. constant
   C. both of above are correct
   D. both of above are wrong
   E. none of the above

5. If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?

   A. P/2 cos 9/2
   B. IP sin 9/2
   C. 2P tan 9/2
   D. IP cos 9/2
   E. Psin 9/2

6. According to principle of transmissibility of forces, the effect of a force upon a body is_______________?

   A. maximum when it acts at the center of gravity of a body
   B. different at different points in its line of action
   C. the same at every point in its line of action
   D. minimum when it acts at the C.G. of the body
   E. none of the above

7. According to principle of transmissibility of forces, the effect of a force upon a body is_________________?

   A. maximum when it acts at the center of gravity of a body
   B. different at different points in its line of action
   C. the same at every point in its line of action
   D. minimum when it acts at the C.G. of the body
   E. none of the above

8. Two non-collinear parallel equal forces acting in opposite direction________________?

   A. balance each other
   B. constitute a moment
   C. constitute a couple
   D. constitute a moment of couple
   E. constitute a resultant couple

9. Two non-collinear parallel equal forces acting in opposite direction__________________?

   A. balance each other
   B. constitute a moment
   C. constitute a couple
   D. constitute a moment of couple
   E. constitute a resultant couple

10. The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________________?

    A. 20 kg, – ve sense
    B. 20 kg, + ve sense
    C. 10 kg, + ve sense
    D. 10 kg, – ve sense
    E. 45 kg, + ve sense