A. 60 N
B. 80 N
C. 100 N
D. 120 N
✅ The correct answer is option D.
Applied Mechanics and Graphic Statics MCQs
102. Time period and length of a seconds pendulum respectively are_________________?
A. 1 sec and 99.4 cm
B. 1 sec and 92.7 cm
C. 2 sec and 99.4 cm
D. 2 sec and 92.7 cm
✅ The correct answer is option C.
103. One Newton is equivalent to________________?
A. 1 kg-wt
B. 9.81 kg-wt
C. 981 dyne
D. 1/9.81 kg-wt
✅ The correct answer is option D.
104. 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
✅ The correct answer is option C.
105. A car goes round a curve of radius 100 m at 25 m/sec. The angle to the horizontal at which the road must be banked to prevent sideways friction on the car wheels is tan”1 x, where x is (Assume g = 10 m/sec2)_____________________?
A. 3/8
B. 1/2
C. 9/5
D. 5/8
✅ The correct answer is option D.
106. The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________?
A. 64 J
B. 400 J
C. 464 J
D. 89 J
✅ The correct answer is option C.
107. The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by__________________?
A. 1:2
B. 1:1
C. 2:1
D. 3:1
✅ The correct answer is option D.
108. The dimensions of centrifugal force are__________________?
A. M1 L2 T2
B. M’L’T1
C. M’L’T2
D. M’L-‘T2
✅ The correct answer is option C.
109. The angles between two forces to make their resultant a minimum and a maximum respectively are__________________?
A. 0° and 90°
B. 180° and 90°
C. 90° and 180°
D. 180° and 0°
✅ The correct answer is option D.
110. If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to_________________?
A. A
B. A/2
C. A/V2
D. AV2
✅ The correct answer is option C.