A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above
Related Mcqs:
- 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 - Forces are called coplanar when all of them acting on body lie in________________?
A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points - If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either__________________?
A. meet in a point
B. be all parallel
C. at least two of them must meet
D. all the above are correct
E. none of the above - According to law of triangle of forces __________________ ?
A. three forces acting at a point will be in equilibrium
B. three forces acting at a point can be represented by a triangle, each side being proportional to force
C. if three forces acting upon a patticle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium
D. if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two
E. none of the above - Forces are called concurrent when their lines of action meet in________________?
A. one point
B. two points
C. plane
D. perpendicular planes
E. different planes - A number of forces acting at a point will be in equilibrium if_________________?
A. their total sum is zero
B. two resolved parts in two directions at right angles are equal
C. sum of resolved parts in any two per-pendicular directions are both zero
D. all of them are inclined equally
E. none of the above - 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 - Forces are called coplanar when all of them acting on body lie in __________________?
A. one point
B. one plane
C. different planes
D. perpendicular planes
E. different points - A number of forces acting at a point will be in equilibrium if_____________________?
A. their total sum is zero
B. two resolved parts in two directions at right angles are equal
C. sum of resolved parts in any two per-pendicular directions are both zero
D. all of them are inclined equally
E. none of the above - 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
