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.Management Sciences
Category: Applied Mechanics and Graphic Statics
The ratio of unit of force in gravitational system to that in absolute system is__________________?
A. 1
B. g
C. 1/g
D. none of the above
where ‘g’ is acceleration due to gravity
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 graphical method of determining the forces in the members of a truss is based on________________?
A. method of joint
B. method of section
C. either method
D. none of the two methods
Which of the following represents the state of neutral equilibrium ?
A. a cube resting on one edge
B. a smooth cylinder lying on a curved surface
C. a smooth cylinder lying on a convex surface
D. none of the above
If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is_____________________?
A. —rad/sec 10
B. —rad/sec 20
C. —rad/sec 30
D. none of the above
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
Minimum potential energy of a system will be in the position of________________?
A. stable equilibrium
B. unstable equilibrium
C. neutral equilibrium
D. all of the above
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
where ‘g’ is acceleration due to gravity and 9 is the angle of inclination of surface with the horizontal
A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is___________________?
A. 1.00 m/sec
B. 1.57 m/sec
C. 3.14 m/sec
D. 6.28 m/sec
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