applied mechanics and graphic statics Mcqs
51. A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first ?
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A. sphere with greater rotational energy at bottom than cylinder

B. sphere with lesser rotational energy at bottom than cylinder

C. cylinder with greater rotational energy at bottom than sphere

D. both reach the bottom simultaneously with equal rotational energy at bottom

52. If the given forces P,, P2, P3 and P4 are such that the force polygon does not close, then the system will___________________?
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A. be in equilibrium

B. always reduce to a resultant force

C. always reduce to a couple

D. both (A) and (C)

54. The graphical method of determining the forces in the members of a truss is based on________________?
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A. method of section

B. none of the two methods

C. either method

D. method of joint
55. An ordinate in a funicular polygon represents__________________?
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A. shear force

B. equilibrium

C. bending moment

D. resultant force

56. The bending moment in an arch is proportional to___________________?
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A. none of these

B. intercept between the arch axis and the funicular polygon

C. vertical ordinate of funicular polygon

D. vertical ordinate of the arch

59. If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?
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A. a force is required to move the body upwards

B. correct answer is?

C. a force is required to move the body downward

D. the body will not be in equilibrium</strong>

72. A funicular polygon cannot be made to pass through___________________?
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A. two specified points

B. one specified point

C. more than three specified points

D. three specified points

75. The time period of a simple pendulum depends on__________________?
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A. length of the pendulum

B. correct answer is

C. mass of suspended particle

D. acceleration due to gravity </strong>

76. A rigid body is in a stable equilibrium if the application of any force__________________?
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A. none of above

B. tends to lower the CG of the body

C. neither raises nor lowers the CG of the body

D. can raise the CG of the body but can not lower it
83. Joule is the unit of__________________?
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A. power

B. momentum

C. work

D. impulse

86. Impulse can be obtained from a_________________?
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A. velocity-time diagram

B. force-time diagram

C. force-displacement diagram

D. velocity-displacement diagram

87. One Joule is equivalent to________________?
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A. 1 Newton metre

B. 1 kg wt metre

C. 9.81 Newton metre

D. 1 dyne metre

88. The ratio of unit of force in gravitational system to that in absolute system is__________________?
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A. 1

B. 1/g

C. g

D. none of the above

E. re g is acceleration due to gravity

89. A cube on a smooth horizontal surface___________________?
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A. cannot be in unstable equilibrium

B. can be in any of these states

C. cannot be in stable equilibrium

D. cannot be in neutral equilibrium

90. When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?
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A. circle and straight line

B. circle and parabola

C. straight line and parabola

D. straight line and circle

91. One Newton is equivalent to_________________?
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A. 981 dyne

B. 106 dyne

C. 107 dyne

D. 105 dyne
97. Which of the following represents the state of neutral equilibrium ?
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A. none of the above

B. a cube resting on one edge

C. a smooth cylinder lying on a curved surface

D. a smooth cylinder lying on a convex surface