Strength of Materials

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 friction force acting when the body is just about to move
D. the friction force acting when the body is in motion
E. tangent of angle of repose

A. downwards at its upper end
B. upwards at its upper end
C. perpendicular to the wall at its upper end
D. zero at its upper end
E. none of the above

A. the tangent of the angle of friction is equal to coefficient of friction
B. the angle of repose is equal to angle of friction
C. the tangent of the angle of repose is equal to coefficient of friction
D. the sine of the angle of repose is equal to coefficient to friction
E. none of the above

A. along the plane
B. horizontally
C. vertically
D. at an angle equal to the angle of friction to the inclined plane
E. unpredictable

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 force to the friction force acting when the body is just about to move
D. the ratio of minimum friction force to friction force acting when the body is in motion
E. ratio of static and dynamic friction

A. maximum
B. minimum
C. zero
D. infinity
E. same as the force applied

A. r/2
B. 2r/3
C. r/A
D. 3r/2
E. 3r/A

A. L/2
B. L/3
C. 3L/4
D. 2L/3
E. 3L/8

A. 0.5 cm
B. 1.0 cm
C. 1.5 cm
D. 2.5 cm
E. 0.25 cm

A. catenary
B. parabola
C. hyperbola
D. elliptical
E. circular arc