The moment of the force P about O as shown in the below figure is

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The moment of the force P about O as shown in the below figure is

A. P × OA

B. P × OB

C. P × OC

D. P × AC

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Frictional force encountered after commencement of motion is called

A. Limiting friction

B. Kinematic friction

C. Frictional resistance

D. Dynamic friction

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

A. Curved surface

B. Convex surface

C. Horizontal surface

D. None of these

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Limiting force of friction is the

A. Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction

B. Ratio of limiting friction and normal reaction

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

D. The friction force acting when the body is in motion

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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. [m₁ m₂/2(m₁ + m₂)] (u₁ - u₂)²

B. [2(m₁ + m₂)/m₁ m₂] (u₁ - u₂)²

C. [m₁ m₂/2(m₁ + m₂)] (u₁² - u₂²)

D. [2(m₁ + m₂)/m₁ m₂] (u₁² - u₂²)

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Which of the following is a vector quantity?

A. Energy

B. Mass

C. Momentum

D. Angle

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The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

A. Equal to

B. Less than

C. Greater than

D. None of these

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Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

A. bh³/4

B. bh³/8

C. bh³/12

D. bh³/36

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A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. The centre of gravity of the section will lie

A. In the shaded area

B. In the hole

C. At O

D. None of these

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Work done is said to be zero, when

A. Some force acts on a body, but displacement is zero

B. No force acts on a body but some displacement takes place

C. Either (A) or (B)

D. None of the above

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The term 'Centroid' is

A. The same as centre of gravity

B. The point of suspension

C. The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

D. None of the above

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If a number of forces act simultaneously on a particle, it is possible

A. Not a replace them by a single force

B. To replace them by a single force

C. To replace them by a single force through C.G.

D. To replace them by a couple

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The wheels of a moving car possess

A. Potential energy only

B. Kinetic energy of translation only

C. Kinetic energy of rotation only

D. Kinetic energy of translation and rotation both

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The slope on the road surface generally provided on the curves is known as

A. Angle of friction

B. Angle of repose

C. Angle of banking

D. None of these

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According to Newton's first law of motion,

A. Everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

B. The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

C. To every action, there is always an equal and opposite reaction

D. None of the above

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Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

A. 15 N and 5 N

B. 20 N and 5 N

C. 15 N and 15 N

D. None of these

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Which of the following is not the unit of work, energy and heat?

A. kcal

B. kg-m

C. kW-hr

D. h.p

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

A. Increase

B. Decrease

C. Remain the same

D. None of these

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The bodies which rebound after impact are called

A. Inelastic bodies

B. Elastic bodies

C. Neither elastic nor inelastic bodies

D. None of these

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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 power developed by a body acted upon by a torque T Newton metre (N - m) and revolving at ω radian/s is given by

A. T.ω (in watts)

B. T.ω/60 (in watts)

C. T.ω/75 (in kilowatts)

D. T.ω/4500 (in kilowatts)

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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

A. 30°

B. 60°

C. 90°

D. 120°

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The resultant of two equal forces P making an angle θ, is given by

A. 2P sinθ/2

B. 2P cosθ/2

C. 2P tanθ/2

D. 2P cotθ/2

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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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Which of the following is not the unit of power?

A. kW (kilowatt)

B. hp (horse power)

C. kcal/sec

D. kcal/kg sec

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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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The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

A. Friction

B. Limiting friction

C. Repose

D. Kinematic friction

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The units of moment of inertia of an area are

A. kg-m²

B. m⁴

C. kg/m²

D. m³

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Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

A. db³/12

B. bd³/12

C. db³/36

D. bd³/36

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The forces, which meet at one point, but their lines of action do not lie in a plane, are called

A. Coplanar non-concurrent forces

B. Non-coplanar concurrent forces

C. Non-coplanar non-concurrent forces

D. Intersecting forces

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Moment of inertia of a circular section about an axis perpendicular to the section is

A. πd³/16

B. πd³/32

C. πd⁴/32

D. πd⁴/64

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Accepted Answer

C. P × OC

The moment of the force P about O as shown in the below figure is

Correct Answer :

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Related Questions

Frictional force encountered after commencement of motion is called

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

Limiting force of friction is the

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.)

Which of the following is a vector quantity?

The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. The centre of gravity of the section will lie

Work done is said to be zero, when

The term 'Centroid' is

If a number of forces act simultaneously on a particle, it is possible

The wheels of a moving car possess

The slope on the road surface generally provided on the curves is known as

According to Newton's first law of motion,

Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

Which of the following is not the unit of work, energy and heat?

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

The bodies which rebound after impact are called

The acceleration of a body sliding down an inclined surface is

The power developed by a body acted upon by a torque T Newton metre (N - m) and revolving at ω radian/s is given by

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 resultant of two equal forces P making an angle θ, is given by

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

Which of the following is not the unit of power?

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

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

The units of moment of inertia of an area are

Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Moment of inertia of a circular section about an axis perpendicular to the section is

Also checkout

The moment of the force P about O as shown in the below figure is

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

Frictional force encountered after commencement of motion is called

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

Limiting force of friction is the

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.)

Which of the following is a vector quantity?

The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction.

Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is

A circular hole of 50 mm diameter is cut out from a circular disc of 100 mm diameter as shown in the below figure. The centre of gravity of the section will lie

Work done is said to be zero, when

The term 'Centroid' is

If a number of forces act simultaneously on a particle, it is possible

The wheels of a moving car possess

The slope on the road surface generally provided on the curves is known as

According to Newton's first law of motion,

Two like parallel forces are acting at a distance of 24 mm apart and their resultant is 20 N. It the line of action of the resultant is 6 mm from any given force, the two forces are

Which of the following is not the unit of work, energy and heat?

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

The bodies which rebound after impact are called

The acceleration of a body sliding down an inclined surface is

The power developed by a body acted upon by a torque T Newton metre (N - m) and revolving at ω radian/s is given by

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 resultant of two equal forces P making an angle θ, is given by

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

Which of the following is not the unit of power?

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

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of

The units of moment of inertia of an area are

Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is

The forces, which meet at one point, but their lines of action do not lie in a plane, are called

Moment of inertia of a circular section about an axis perpendicular to the section is

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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.)