In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than____________________?
A. two members with unknown forces of the…
The center of gravity of a triangle lies at the point of __________________?
A. concurrence of the medians
B. intersection of its altitudes
C. intersection of bisector of angles
D. intersection of diagonals
E. all of the above…
Angle of friction is the_______________________?
A. angle between normal reaction and the resultant of normal reaction and the limiting friction
B. ratio of limiting friction and normal reaction
C. the ratio of minimum friction…
If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?
B. minimumC. zero
E. same as the force applied…
The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________________?
A. 20 kg, – ve sense
B. 20 kg, + ve…
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction___________________?
A. along the plane
C. verticallyD. at an angle equal to the angle…
In the equation of virtual work, following force is neglected_______________________?
A. reaction of any smooth surface with which the body is in contact
B. reaction of a rough surface of a body which rolls on it without slipg
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span___________________?
A. 2.5 cm
B. 3.0 cmC.…