A system of copianar forces acting on a rigid body can be reduced to________________?
A. One force only
B. One couple only
C. One force and one couple only
D. None of the above
Force polygon method is applicable for_____________________?
A. Any copianar force system
B. A system of parallel forces only
C. Concurrent copianar force system
D. Non-concurrent copianar force system
The bending moment in an arch is proportional to___________________?
A. Vertical ordinate of funicular polygon
B. Vertical ordinate of the arch
C. Intercept between the arch axis and the funicular polygon
D. None of these
An ordinate in a funicular polygon represents__________________?
A. Shear force
B. Resultant force
C. Bending moment
D. Equilibrium
If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
A. Be in equilibrium
B. Always reduce to a resultant force
C. Always reduce to a couple
D. Both (a) and (c)
Williot-Mohr diagram is used to determine deflection in__________________?
A. Trusses only
B. Beam only
C. Rigid frames only
D. Any type of structure