In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.

Question

In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.

A. Half

C. Double

Correct Answer :

A. Half

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Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is

A. 20 N

B. 40 N

C. 120 N

Discuss this answer

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

C. Ideal

Discuss this answer

The velocity ratio of a single purchase crab winch can be increased by

Discuss this answer

The unit of energy in S.I. units is

A. Dyne

B. Watt

C. kg-m

D. Joule

Discuss this answer

According to Lamis theorem

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The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where r = Amplitude of motion, and y = Displacement of the particle from mean position.)

Discuss this answer

In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

Discuss this answer

A smooth cylinder lying on a __________ is in neutral equilibrium.

Discuss this answer

Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

Discuss this answer

A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve

Discuss this answer

The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is

A. 50 mm

B. 75 mm

D. 125 mm

Discuss this answer

Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction

Discuss this answer

If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

A. 30°

B. 60°

C. 90°

D. 120°

Discuss this answer

The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is

A. sinθ

B. cosθ

C. tanθ

Discuss this answer

The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

Discuss this answer

The bellow figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

A. P/2

B. 2P

D. P/√2

Discuss this answer

The angle between two forces when the resultant is maximum and minimum respectively are:

Discuss this answer

The time of flight (t) of a projectile on an upward inclined plane is (where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.)

Discuss this answer

A force is completely defined when we specify

Discuss this answer

The ratio of limiting friction and normal reaction is known as

Discuss this answer

The rate of doing work is known as

C. Power

Discuss this answer

The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

A. r/2

B. 2r/3

C. r/A

D. 3r/2

Discuss this answer

In order to determine the effects of a force, acting on a body, we must know

Discuss this answer

The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

A. n

B. n²

C. 2n

D. 2n - 1

Discuss this answer

One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring.)

Discuss this answer

The loss of kinetic energy during inelastic impact, is given by (where m₁ = Mass of the first body, m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)

Discuss this answer

A single force and a couple acting in the same plane upon a rigid body

Discuss this answer

The time of flight (t) of a projectile on a horizontal plane is given by

Discuss this answer

The moment of inertia of a solid cylinder of mass m, radius r and length l about the longitudinal axis or polar axis is

A. mr²/2

B. mr²/4

C. mr²/6

D. mr²/8

Discuss this answer

Moment of inertia is the

Discuss this answer

Answer 1

B. Equal to

Answer 2

D. None of these

Answer 3

D. None of these

Answer 4

A. Reversible

Answer 5

B. Non-reversible

Answer 6

D. None of these

Answer 7

A. Increasing the length of the handle

Answer 8

B. Increasing the radius of the load drum

Answer 9

C. Increasing the number of teeth of the pinion

Answer 10

D. All of the above

Answer 11

A. The three forces must be equal

Answer 12

B. The three forces must be at 120° to each other

Answer 13

C. The three forces must be in equilibrium

Answer 14

D. If the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two

Answer 15

A. ω.√(y² - r²)

Answer 16

B. ω.√(r² - y²)

Answer 17

C. ω².√(y² - r²)

Answer 18

D. ω².√(r² - y²)

Answer 19

A. Increase

Answer 20

B. Decrease

Answer 21

C. Remain the same

Answer 22

D. None of these

Answer 23

A. Curved surface

Answer 24

B. Convex surface

Answer 25

C. Horizontal surface

Answer 26

D. None of these

Answer 27

A. Upwards

Answer 28

B. Downwards

Answer 29

C. Horizontal

Answer 30

D. None of these

Answer 31

A. Circular arc

Answer 32

B. Parabola

Answer 33

C. Hyperbola

Answer 34

D. Elliptical

Answer 35

C. 87.5 mm

Answer 36

A. Along the plane

Answer 37

B. Horizontally

Answer 38

C. Vertically

Answer 39

D. At an angle equal to the angle of friction to the inclined plane

Answer 40

D. cosecθ

Answer 41

A. Static friction

Answer 42

B. Dynamic friction

Answer 43

C. Limiting friction

Answer 44

D. Coefficient of friction

Answer 45

C. √2 × P

Answer 46

A. 0° and 180°

Answer 47

B. 180° and 0°

Answer 48

C. 90° and 180°

Answer 49

D. 90° and 0°

Answer 50

A. t = g cos β/2u sin (α - β)

Answer 51

B. t = 2u sin (α - β)/g cos β

Answer 52

C. t = g cos β/2u sin (α + β)

Answer 53

D. t = 2u sin (α + β)/g cos β

Answer 54

A. Magnitude

Answer 55

B. Direction

Answer 56

C. Point of application

Answer 57

D. All of the above

Answer 58

A. Coefficient of friction

Answer 59

B. Angle of friction

Answer 60

C. Angle of repose

Answer 61

D. Sliding friction

Answer 62

A. Potential energy

Answer 63

B. Kinetic energy

Answer 64

D. None of these

Answer 65

A. Magnitude of the force

Answer 66

B. Line of action of the force

Answer 67

C. Nature of the force i.e. whether the force is push or pull

Answer 68

D. All of the above

Answer 69

A. 2π. √(g/δ)

Answer 70

B. 1/2π. √(g/δ)

Answer 71

C. 2π. √(δ/g)

Answer 72

D. 1/2π. √(δ/g)

Answer 73

A. [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)²

Answer 74

B. [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)²

Answer 75

C. [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²)

Answer 76

D. [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²)

Answer 77

A. Balance each other

Answer 78

B. Cannot balance each other

Answer 79

C. Produce moment of a couple

Answer 80

D. Are equivalent

Answer 81

A. t = 2u. sinα/g

Answer 82

B. t = 2u. cosα/g

Answer 83

C. t = 2u. tanα/g

Answer 84

D. t = 2u/g.sinα

Answer 85

A. Second moment of force

Answer 86

B. Second moment of area

Answer 87

C. Second moment of mass

Answer 88

D. All of these

In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.

Correct Answer :

Show all Engineering Mechanics MCQ

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Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

The velocity ratio of a single purchase crab winch can be increased by

The unit of energy in S.I. units is

According to Lamis theorem

The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where r = Amplitude of motion, and y = Displacement of the particle from mean position.)

In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

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If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is

The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

The bellow figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

The angle between two forces when the resultant is maximum and minimum respectively are:

The time of flight (t) of a projectile on an upward inclined plane is (where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.)

A force is completely defined when we specify

The ratio of limiting friction and normal reaction is known as

The rate of doing work is known as

The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

In order to determine the effects of a force, acting on a body, we must know

The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring.)

The loss of kinetic energy during inelastic impact, is given by (where m₁ = Mass of the first body, m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)

A single force and a couple acting in the same plane upon a rigid body

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The moment of inertia of a solid cylinder of mass m, radius r and length l about the longitudinal axis or polar axis is

Moment of inertia is the

Also checkout

In a framed structure, as shown in the below figure, the force in the member AB is __________ the force in member AC.

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

The velocity ratio of a single purchase crab winch can be increased by

The unit of energy in S.I. units is

According to Lamis theorem

The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where r = Amplitude of motion, and y = Displacement of the particle from mean position.)

In the shown figure, if the angle of inclination of the plane is increased, then acceleration of the system will

A smooth cylinder lying on a __________ is in neutral equilibrium.

Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.

A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve

The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is

Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction

If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is

The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is

The maximum frictional force, which comes into play, when a body just begins to slide over the surface of the other body, is known as

The bellow figure shows the two equal forces at right angles acting at a point. The value of force R acting along their bisector and in opposite direction is

The angle between two forces when the resultant is maximum and minimum respectively are:

The time of flight (t) of a projectile on an upward inclined plane is (where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.)

A force is completely defined when we specify

The ratio of limiting friction and normal reaction is known as

The rate of doing work is known as

The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

In order to determine the effects of a force, acting on a body, we must know

The velocity ratio for the first system of pulleys is (where n is the number of pulleys.)

One end of a helical spring is fixed while the other end carries the load W which moves with simple harmonic motion. The frequency of motion is given by (where δ = Deflection of the spring.)

The loss of kinetic energy during inelastic impact, is given by (where m1 = Mass of the first body, m2 = Mass of the second body, and u1 and u2 = Velocities of the first and second bodies respectively.)

A single force and a couple acting in the same plane upon a rigid body

The time of flight (t) of a projectile on a horizontal plane is given by

The moment of inertia of a solid cylinder of mass m, radius r and length l about the longitudinal axis or polar axis is

Moment of inertia is the

Also checkout

The loss of kinetic energy during inelastic impact, is given by (where m₁ = Mass of the first body, m₂ = Mass of the second body, and u₁ and u₂ = Velocities of the first and second bodies respectively.)