A. not a replace them by a single force
B. to replace them by a single force
C. to replace them by a single force through C.G.
D. to replace them by a couple
E. to replace them by a couple and a force
Related Mcqs:
- A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t – 4), the acceleration of the particle will be given by the equation_________________?
A. 3t2-lt
B. 3t2+2t
C. 6f-8
D. 6f-4
E. 6t2-8t - 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 - 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 - A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of__________________?
A. r/2
B. r/A
C. r/%
D. 0.134 r
E. 3r/8 - 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 - The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?
A. forces
B. independence of forces
C. dependence of forces
D. balance of force
E. resolution of forces - 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 - If three forces acting in different planes can be represented by a triangle, these will be in________________?
A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above - If a rigid body is in equilibrium under the action of three forces, then_______________?
A. these forces are equal
B. the lines of action of these forces meet in a point
C. the lines of action of these forces are parallel
D. B. and C. above
E. none of the above - The forces, which meet at one point, but their lines of action do not lie in a plane, are called______________?
A. coplanar non-concurrent forces
B. non-coplanar concurrent forces
C. non-coplanar non-concurrent forces
D. intersecting forces
E. none of the above