The angle of inclination of the plane at which the body begins to move down the plane, is called

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The angle of inclination of the plane at which the body begins to move down the plane, is called

A. Angle of friction

B. Angle of repose

C. Angle of projection

D. None of these

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Which of the following is the example of lever of first order?

A. Arm of man

B. Pair of scissors

C. Pair of clinical tongs

D. All of the above

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The unit of work or energy in S.I. units is

A. Newton

B. Pascal

C. Watt

D. Joule

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Forces are called concurrent when their lines of action meet in

A. One point

B. Two points

C. Plane

D. Perpendicular planes

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The forces, which meet at one point and their lines of action also lie on the same plane, are known as

A. Coplanar concurrent forces

B. Coplanar non-concurrent forces

C. Non-coplanar concurrent forces

D. Non-coplanar non-concurrent forces

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A pair of smith's tongs is an example of the lever of

A. Zeroth order

B. First order

C. Second order

D. Third order

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The unit of moment of inertia of an area is

A. kg-m²

B. kg-m-s²

C. kg/m²

D. m⁴

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The force, by which the body is attracted, towards the centre of the earth, is called

A. Impulsive force

B. Mass

C. Weight

D. Momentum

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The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

A. πN/60

B. πN/180

C. 2πN/60

D. 2πN/180

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Coplanar concurrent forces are those forces which

A. Meet at one point, but their lines of action do not lie on the same plane

B. Do not meet at one point and their lines of action do not lie on the same plane

C. Meet at one point and their lines of action also lie on the same plane

D. Do not meet at one point, but their lines of action lie on the same plane

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During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

A. Equal to

B. Equal and opposite to

C. Less than

D. Greater than

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The acceleration of a body sliding down an inclined surface is

A. g sinθ

B. g cosθ

C. g tanθ

D. None of these

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The force induced in the string AB due to the load W, as shown in the below figure is

A. W sinθ

B. W cosθ

C. W secθ

D. W cosecθ

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A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

A. 1 m

B. 2 m

C. 3 m

D. 4 m

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One watt is equal to

A. 0.1 joule/s

B. 1 joule/s

C. 10 joules/s

D. 100 joules/s

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In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

A. Less than

B. Equal to

C. More than

D. None of these

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A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

A. MS/3

B. MS/4

C. MS/5

D. None of these

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The ideal angle of banking provided on the curves on roads depends upon

A. Weight of the vehicle

B. (Velocity)2 of the vehicle

C. Nature of the road surface

D. Coefficient of friction between the road and vehicle contact point

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Angle of friction is the

A. Angle between normal reaction and the resultant of normal reaction and the limiting friction

B. Ratio of limiting friction and normal reaction

C. The ratio of minimum friction force to the friction force acting when the body is just about to move

D. The ratio of minimum friction force to friction force acting when the body is in motion

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If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

A. (v₁ - v₂)/(u₁ - u₂)

B. (v₂ - v₁)/(u₁ - u₂)

C. (u₁ - u₂)/(v₁ - v₂)

D. (u₂ + u₁)/(v₂ + v₁)

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If the body falls freely under gravity, then the gravitational acceleration is taken as

A. +8.9 m/s²

B. -8.9 m/s²

C. +9.8 m/s²

D. -9.8 m/s²

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A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly

A. 38 m

B. 62.5 m

C. 96 m

D. 124 m

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The resolved part of the resultant of two forces inclined at an angle θ in a given direction is equal to

A. The algebraic sum of the resolved parts of the forces in the given direction

B. The sum of the resolved parts of the forces in the given direction

C. The difference of the forces multiplied by the cosine of θ

D. The sum of the forces multiplied by the sine of θ

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The maximum velocity of a particle moving with simple harmonic motion is

A. ω

B. ωr

C. ω²r

D. ω/r

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The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

A. Less than

B. Greater than

C. Equal to

D. None of these

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If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

A. P + m.a = 0

B. P - m.a = 0

C. P × m.a = 0

D. P/m.a = 0

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The process of finding out the resultant force is called __________ of forces.

A. Composition

B. Resolution

C. Decomposition

D. None of these

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A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will __________ with the increase in coefficient of friction.

A. Increase

B. Decrease

C. Not be effected

D. None of these

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

A. Circular arc

B. Parabola

C. Hyperbola

D. Elliptical

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Effect of a force on a body depends upon

A. Magnitude

B. Direction

C. Position or line of action

D. All of the above

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Which of the following is a scalar quantity?

A. Force

B. Speed

C. Velocity

D. Acceleration

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Accepted Answer

A. Angle of friction

The angle of inclination of the plane at which the body begins to move down the plane, is called

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

Which of the following is the example of lever of first order?

The unit of work or energy in S.I. units is

Forces are called concurrent when their lines of action meet in

The forces, which meet at one point and their lines of action also lie on the same plane, are known as

A pair of smith's tongs is an example of the lever of

The unit of moment of inertia of an area is

The force, by which the body is attracted, towards the centre of the earth, is called

The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

Coplanar concurrent forces are those forces which

During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

The acceleration of a body sliding down an inclined surface is

The force induced in the string AB due to the load W, as shown in the below figure is

A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

One watt is equal to

In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

The ideal angle of banking provided on the curves on roads depends upon

Angle of friction is the

If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by

If the body falls freely under gravity, then the gravitational acceleration is taken as

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly

The resolved part of the resultant of two forces inclined at an angle θ in a given direction is equal to

The maximum velocity of a particle moving with simple harmonic motion is

The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

The process of finding out the resultant force is called __________ of forces.

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

Effect of a force on a body depends upon

Which of the following is a scalar quantity?

Also checkout

The angle of inclination of the plane at which the body begins to move down the plane, is called

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

Which of the following is the example of lever of first order?

The unit of work or energy in S.I. units is

Forces are called concurrent when their lines of action meet in

The forces, which meet at one point and their lines of action also lie on the same plane, are known as

A pair of smith's tongs is an example of the lever of

The unit of moment of inertia of an area is

The force, by which the body is attracted, towards the centre of the earth, is called

The angular velocity (in rad/s) of a body rotating at N revolutions per minute is

Coplanar concurrent forces are those forces which

During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.

The acceleration of a body sliding down an inclined surface is

The force induced in the string AB due to the load W, as shown in the below figure is

A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

One watt is equal to

In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load.

A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

The ideal angle of banking provided on the curves on roads depends upon

Angle of friction is the

If u1 and u2 are the velocities of two moving bodies in the same direction before impact and v1 and v2 are their velocities after impact, then coefficient of restitution is given by

If the body falls freely under gravity, then the gravitational acceleration is taken as

A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly

The resolved part of the resultant of two forces inclined at an angle θ in a given direction is equal to

The maximum velocity of a particle moving with simple harmonic motion is

The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force.

If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton's second law of motion,

The process of finding out the resultant force is called __________ of forces.

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

Effect of a force on a body depends upon

Which of the following is a scalar quantity?

Also checkout

If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by