A. triangle
B. open polygon
C. closed polygon
D. parallelogram
Related Mcqs:
- 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) - 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 - If the resultant of two forces has the same magnitude as either of the force, then the angle between the two forces is____________________?
A. 30°
B. 45°
C. 60°
D. 120° - An ordinate in a funicular polygon represents__________________?
A. shear force
B. resultant force
C. bending moment
D. equilibrium - A funicular polygon cannot be made to pass through___________________?
A. one specified point
B. two specified points
C. three specified points
D. more than three specified points - A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a_____________________?
A. parabola
B. catenary
C. cycloid
D. ellipse - A force P of 50 N and another force Q of unknown magnitude act at 90° to each other. They are balanced by a force of 130 N. The magnitude of Q is__________________?
A. 60 N
B. 80 N
C. 100 N
D. 120 N - A system of copianar forces is in equilibrium when___________________?
A. force polygon closes
B. funicular polygon closes
C. both force polygon” and funicular polygon close
D. all the forces are concurrent - The condition of equilibrium for any system of forces in a plane is____________________?
A. that polygon of forces must close
B. that resultant couple must be zero
C. both (A) and (B)
D. none of the above - A rope is wrapped twice around a rough pole with a coefficient of friction ‘A . It is subjected to a force Fj at one end and a gradually increasing force F2 is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F2 to Fi is_____________________?
A. 1
B. e2*
C. e4*
D. e*72
