An ordinate in a funicular polygon represents__________________?
(A) shear force
(B) resultant force
(C) bending moment
(D) equilibrium
In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics ?
(A) howe truss
(B) king post truss
(C) fink truss
(D) warren truss
Coefficient of friction depends on__________________?
(A) nature of surfaces only
(B) area of contact only
(C) both (A) and (B)
(D) none of the above
The shape of a suspended cable for a uniformly distributed load over it is__________________?
(A) circular
(B) parabolic
(C) catenary
(D) cubic parabola
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 ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is___________________?
(A) 1/3
(B) 2/3
(C) 1/9
(D) 8/9
A ball is dropped from a height of 16 m on a horizontal floor. If it rebounds to a height of 9 m after striking the floor, the coefficient of restitution between ball and floor is_____________________?
(A) 1/4
(B) 2/3
(C) 3/4
(D) 4/3
When a body slides down an inclined surface, the acceleration of the body is given by__________________?
(A) g
(B) gsinG
(C) g cos 6
(D) g tan 6