02:21
AtoZ Material
1. The unit of force in S.I. units is _____.
2. The unit of work or energy in S.I. units is _____.
3. The unit of power in S.I. units is _____.
4. Forces are called concurrent when their lines of action meet in
5. Forces are called coplanar when all of them acting on body lie in
6. A force acting on a body may
7. Which is the correct statement about law of polygon of forces ?
8. Effect of a force on a body depends upon _____.
9. If a number of forces act simultaneously on a particle, it is possible
10. Which of the following is not the unit of energy.
11. A force is completely defined when we specify _____.
12. If two equal forces of magnitude P act at an angle 9°, their resultant will be ______.
13. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
14. The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to _____.
15. Which of the following do not have identical dimensions ?
16. Which of the following is not the unit of distance ?
17. Which of the following is not the unit of power ?
18. Which of the following is not the unit of work, energy and heat ?
19. Which of the following is not the unit of pressure ?
20. The weight of a body is due to _____.
21. The forces, which meet at one point, but their lines of action do not lie in a plane, are called
22. When trying to turn a key into a lock, following is applied
23. Which of the following is not a scalar quantity
24. According to principle of transmissible of forces, the effect of a force upon a body is
25. Which of the following is a vector quantity
26. The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are
27. A number of forces acting at a point will be in equilibrium if
28. Two non-collinear parallel equal forces acting in opposite direction
29. According to principle of moments
30. Which of the following is not a vector quantity.
31. According to law of triangle of forces
32. A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal
33. If a rigid body is in equilibrium under the action of three forces, then
34. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one
35. A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to
36. D' Alembert's principle is used for
37. A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if
38. According to Lami's theorem
39. Two coplanar couples having equal and op-posite moments
40. A framed structure is perfect if it contains members equal to
41. If three forces acting in different planes can be represented by a triangle, these will be in
42. The product of either force of couple with the arm of the couple is called
43. In determining 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
44. The center of gravity of a uniform lamina lies at
45. Center of gravity of a solid cone lies on the axis at the height
46. Center of percussion is
47. Center of gravity of a thin hollow cone lies on the axis at a height of
48. The units of moment of inertia of an area are
49. The center of percussion of the homogeneous rod of length L suspended at the top will be
50. The center of gravity of a triangle lies at the point of
51. The units of moment of inertia of mass are
52. The possible loading in various members of framed structures are
53. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
54. 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
55. From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
56. If n = number of members and y = number of joints, then for a perfect frame, n =
57. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
58. Pick up the incorrect statement from the following :
59. The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be
60. The C.G. of a solid hemisphere lies on the central radius 3r
61. The C.G. of a plane lamina will not be at its geometrical center in the case of a
62. In the equation of virtual work, following force is neglected
63. 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
64. In actual machines are _____.
65. 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
66. In ideal machines _____.
67. A cable with a uniformly distributed load per horizontal meter run will take the following shape
68. Angle of friction is the _______.
69. The coefficient of friction depends on
70. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
71. The ratio of limiting friction and normal reaction is known as
72. Which one of the following statements is not correct
73. On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be
74. On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be
75. A cable with a uniformly distributed load per horizontal metre run will take the following shape
76. Frictional force encountered after commencement of motion is called
77. Coefficient of friction is the _____.
78. Pick up wrong statement about friction force for dry surfaces. Friction force is
79. A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to _____.
80. A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t - 4), the acceleration of the particle will be given by the equation
81. If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella
82. A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is
83. Limiting force of friction is the ______.
84. Coulomb friction is the friction between
85. Dynamic friction as compared to static friction is
86. Tangent of angle of friction is equal to
87. Kinetic friction is the ______.
88. The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to
89. A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is \i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
90. A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of
91. The algebraic sum of moments of the forces forming couple about any point in their plane is
92. A single force and a couple acting in the same plane upon a rigid body
93. If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either
94. The maximum frictional force which comes into play when a body just begins to slide over another surface is called
95. The co-efficient of friction depends upon _____.
96. The necessary condition for forces to be in equilibrium is that these should be _____.
97. If n = number of members andy = number of joints, then for a perfect frame, n = _____.
98. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
99. Which of the following is not the unit of energy.
100. The C.G. of a plane lamina will not be at its geometrical center in the case of a
2. The unit of work or energy in S.I. units is _____.
3. The unit of power in S.I. units is _____.
4. Forces are called concurrent when their lines of action meet in
5. Forces are called coplanar when all of them acting on body lie in
6. A force acting on a body may
7. Which is the correct statement about law of polygon of forces ?
8. Effect of a force on a body depends upon _____.
9. If a number of forces act simultaneously on a particle, it is possible
10. Which of the following is not the unit of energy.
11. A force is completely defined when we specify _____.
12. If two equal forces of magnitude P act at an angle 9°, their resultant will be ______.
13. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of
14. The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to _____.
15. Which of the following do not have identical dimensions ?
16. Which of the following is not the unit of distance ?
17. Which of the following is not the unit of power ?
18. Which of the following is not the unit of work, energy and heat ?
19. Which of the following is not the unit of pressure ?
20. The weight of a body is due to _____.
21. The forces, which meet at one point, but their lines of action do not lie in a plane, are called
22. When trying to turn a key into a lock, following is applied
23. Which of the following is not a scalar quantity
24. According to principle of transmissible of forces, the effect of a force upon a body is
25. Which of the following is a vector quantity
26. The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are
27. A number of forces acting at a point will be in equilibrium if
28. Two non-collinear parallel equal forces acting in opposite direction
29. According to principle of moments
30. Which of the following is not a vector quantity.
31. According to law of triangle of forces
32. A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal
33. If a rigid body is in equilibrium under the action of three forces, then
34. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one
35. A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to
36. D' Alembert's principle is used for
37. A heavy ladder resting on floor and against a vertical wall may not be in equilibrium, if
38. According to Lami's theorem
39. Two coplanar couples having equal and op-posite moments
40. A framed structure is perfect if it contains members equal to
41. If three forces acting in different planes can be represented by a triangle, these will be in
42. The product of either force of couple with the arm of the couple is called
43. In determining 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
44. The center of gravity of a uniform lamina lies at
45. Center of gravity of a solid cone lies on the axis at the height
46. Center of percussion is
47. Center of gravity of a thin hollow cone lies on the axis at a height of
48. The units of moment of inertia of an area are
49. The center of percussion of the homogeneous rod of length L suspended at the top will be
50. The center of gravity of a triangle lies at the point of
51. The units of moment of inertia of mass are
52. The possible loading in various members of framed structures are
53. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
54. 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
55. From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate
56. If n = number of members and y = number of joints, then for a perfect frame, n =
57. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
58. Pick up the incorrect statement from the following :
59. The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be
60. The C.G. of a solid hemisphere lies on the central radius 3r
61. The C.G. of a plane lamina will not be at its geometrical center in the case of a
62. In the equation of virtual work, following force is neglected
63. 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
64. In actual machines are _____.
65. 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
66. In ideal machines _____.
67. A cable with a uniformly distributed load per horizontal meter run will take the following shape
68. Angle of friction is the _______.
69. The coefficient of friction depends on
70. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction
71. The ratio of limiting friction and normal reaction is known as
72. Which one of the following statements is not correct
73. On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be
74. On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be
75. A cable with a uniformly distributed load per horizontal metre run will take the following shape
76. Frictional force encountered after commencement of motion is called
77. Coefficient of friction is the _____.
78. Pick up wrong statement about friction force for dry surfaces. Friction force is
79. A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to _____.
80. A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t2 (t - 4), the acceleration of the particle will be given by the equation
81. If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella
82. A projectile is fired at an angle 9 to the vertical. Its horizontal range will be maximum when 9 is
83. Limiting force of friction is the ______.
84. Coulomb friction is the friction between
85. Dynamic friction as compared to static friction is
86. Tangent of angle of friction is equal to
87. Kinetic friction is the ______.
88. The effort required to lift a load W on a screw jack with helix angle a and angle of friction <j) is equal to
89. A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is \i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
90. A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of
91. The algebraic sum of moments of the forces forming couple about any point in their plane is
92. A single force and a couple acting in the same plane upon a rigid body
93. If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either
94. The maximum frictional force which comes into play when a body just begins to slide over another surface is called
95. The co-efficient of friction depends upon _____.
96. The necessary condition for forces to be in equilibrium is that these should be _____.
97. If n = number of members andy = number of joints, then for a perfect frame, n = _____.
98. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
99. Which of the following is not the unit of energy.
100. The C.G. of a plane lamina will not be at its geometrical center in the case of a
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