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Select the correct statement

A. The body centrode rolls on the space centrode

B. The space centrode rolls on the body centrode

C. Both body and space centrodes may role on each other

D. The body centrode never touches space centrode

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If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

A. A uniform retardation

B. A uniform acceleration

C. A variable acceleration

D. A variable retardation

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The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

A. 0.2 R

B. 0.4 R

C. 0.3 R

D. 0.6 R

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When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

A. Straight line and parabola

B. Straight line and circle

C. Circle and straight line

D. Circle and parabola

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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

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In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is

A. 30

B. 50

C. 60

D. 80

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A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately

A. 400 watts

B. 500 watts

C. 4000 watts

D. None of these

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ω rad/sec is the angular velocity of a crank whose radius is r. If it makes θ° with inner dead centre and obliquity of the connecting rod l is , the velocity v of the piston, is given by the equation

A. ω² (l cos + r sin tan θ)

B. ω² (l sin + r cos φ tan θ)

C. ω (l sin + r cos tan θ)

D. ω² (l sin - r cos θ tan )

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A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

A. Vertical component of velocity remains constant

B. Horizontal component of velocity remains constant

C. Speed of the ball remains constant

D. Kinetic energy of the ball remains constant

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A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

A. 0°

B. 30°

C. 45°

D. 90°

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If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n. Where, n is

A. 2

B. 3

C. 4

D. 5

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A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be

A. 10 m/sec

B. 15 m/sec

C. 20 m/sec

D. 25 m/sec

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A body is said to move with Simple Harmonic Motion if its acceleration, is

A. Always directed away from the centre, the point of reference

B. Proportional to the square of the distance from the point of reference

C. Proportional to the distance from the point of reference and directed towards it

D. Inversely proportion to the distance from the point of reference

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A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan1 x, where x is

A. 3/4

B. 4/5

C. 5/3

D. 3/5

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A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kgm² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is

A. 50 J

B. 150 J

C. 200 J

D. 400 J

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The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,

A. P = R

B. Q = R

C. P = Q

D. None of the above is correct

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The Centre of gravity of a 10 × 15 × 5 cm T-section from its bottom, is

A. 7.5 cm

B. 5.0 cm

C. 8.75 cm

D. 7.85 cm

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The angle of projection at which the horizontal range and maximum height of a projectile are equal to

A. 36°

B. 45°

C. 56°

D. 76°

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The frequency of oscillation on moon as compared to that on earth, will be

A. 2.44 times more

B. 2.44 times less

C. 3 times less

D. 3 times more

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The resultant of two forces P and Q acting at an angle θ, is

A. P² + Q² + 2P sin θ

B. P² + Q² + 2PQ cos θ

C. P² + Q² + 2PQ tan θ

D. √(P² + Q² + 2PQ cos θ)

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A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be

A. Zero

B. Infinite

C. gr

D. 2gr

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The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

A. 2 kgf, 3 kgf

B. 3 kgf, 4 kgf

C. 4 kgf, 5 kgf

D. 5 kgf, 3 kgf

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The ratio of the reactions R_A and R_B of a simply supported beam shown in below figure is

A. 0.50

B. 0.40

C. 0.67

D. 1.00

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The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at

A. Supports

B. Quarter span

C. Mid span

D. None of the above

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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°

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A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called

A. Simple pendulum

B. Compound pendulum

C. Second's pendulum

D. None of these

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A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

A. 5 N

B. 10 N

C. 15 N

D. 25 N

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If a body is acted upon by a number of coplanar non-concurrent forces, it may

A. Rotate about itself without moving

B. Move in any one direction

C. Move in any one direction rotating about itself

D. All the above

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The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

A. Circle

B. Equilateral triangle

C. Rectangle

D. Right angled triangle

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A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

A. 50 %

B. 40 %

C. 55 %

D. 30 %

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The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

A. wl/4d

B. wl²/4d

C. wl²/8d

D. wl²/16d

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Accepted Answer

A. The body centrode rolls on the space centrode

Select the correct statement

Correct Answer :

Show all Applied Mechanics and Graphic Statics MCQ

Related Questions

If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is

A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately

ω rad/sec is the angular velocity of a crank whose radius is r. If it makes θ° with inner dead centre and obliquity of the connecting rod l is , the velocity v of the piston, is given by the equation

A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n. Where, n is

A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be

A body is said to move with Simple Harmonic Motion if its acceleration, is

A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan1 x, where x is

A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kgm² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,

The Centre of gravity of a 10 × 15 × 5 cm T-section from its bottom, is

The angle of projection at which the horizontal range and maximum height of a projectile are equal to

The frequency of oscillation on moon as compared to that on earth, will be

The resultant of two forces P and Q acting at an angle θ, is

A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be

The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

The ratio of the reactions R_A and R_B of a simply supported beam shown in below figure is

The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at

The angles between two forces to make their resultant a minimum and a maximum respectively are

A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called

A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

If a body is acted upon by a number of coplanar non-concurrent forces, it may

The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

Also checkout

Select the correct statement

Correct Answer :

Show all Applied Mechanics and Graphic Statics MCQ

Related Questions

If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is

A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately

ω rad/sec is the angular velocity of a crank whose radius is r. If it makes θ° with inner dead centre and obliquity of the connecting rod l is , the velocity v of the piston, is given by the equation

A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

A projectile is fired at an angle θ to the vertical. Its horizontal range will be maximum when θ is

If a spherical body is symmetrical about its perpendicular axes, the moment of inertia of the body about an axis passing through its centre of gravity as given by Routh's rule is obtained by dividing the product of the mass and the sum of the squares of two semi-axes by n. Where, n is

A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be

A body is said to move with Simple Harmonic Motion if its acceleration, is

A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kgm² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then,

The Centre of gravity of a 10 × 15 × 5 cm T-section from its bottom, is

The angle of projection at which the horizontal range and maximum height of a projectile are equal to

The frequency of oscillation on moon as compared to that on earth, will be

The resultant of two forces P and Q acting at an angle θ, is

A pilot flies a small plane in a vertical loop of radius r. At the top of its trajectory he experiences weightlessness. If the acceleration due to gravity is g, the speed of the plane at the top of its trajectory would be

The resultant of two forces acting at right angles is 5 kgf and if they act at an angle of 60°, it is 37 kgf. The magnitudes of the forces are:

The ratio of the reactions RA and RB of a simply supported beam shown in below figure is

The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at

The angles between two forces to make their resultant a minimum and a maximum respectively are

A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity, is called

A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

If a body is acted upon by a number of coplanar non-concurrent forces, it may

The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

Also checkout

The ratio of the reactions R_A and R_B of a simply supported beam shown in below figure is