The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

Question

The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

A. Same at every point on its line of action

B. Different at different points on its line of action

C. Minimum, if it acts at the centre of gravity of the body

D. Maximum, if it acts at the centre of gravity of the body

Share this question with your friends

Show all Engineering Mechanics MCQ

Comment

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to

A. 25

B. 50

C. 100

D. 250

Discuss this answer

The minimum force required to slide a body of weight W on a rough horizontal plane is

A. W sinθ

B. W cosθ

C. W tanθ

D. None of these

Discuss this answer

According to law of triangle of forces

A. Three forces acting at a point will be in equilibrium

B. Three forces acting at a point can be represented by a triangle, each side being proportional to force

C. If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

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

Discuss this answer

The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

A. 2π. √(gh/kG² + h²)

B. 2π. √(kG² + h²/gh)

C. 1/2π. √(gh/kG² + h²)

D. 1/2π. √(kG² + h²/gh)

Discuss this answer

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

Discuss this answer

The velocity of a body on reaching the ground from a height h, is

A. 2.√(gh)

B. √(gh)

C. √(2gh)

D. 2g.√h

Discuss this answer

In ideal machines, mechanical advantage is __________ velocity ratio.

A. Equal to

B. Less than

C. Greater than

D. None of these

Discuss this answer

The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

A. mr²/3

B. 2mr²/3

C. 2mr²/5

D. 3mr²/5

Discuss this answer

The motion of a particle round a fixed axis is

A. Translatory

B. Rotary

C. Circular

D. Translatory as well as rotary

Discuss this answer

The velocity ratio of a first system of pulleys with 4 pulleys is

A. 4

B. 8

C. 16

D. 20

Discuss this answer

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

Discuss this answer

Tangent of angle of friction is equal to

A. Kinetic friction

B. Limiting friction

C. Angle of repose

D. Coefficient of friction

Discuss this answer

According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through centre of gravity (i.e. I_P) is given by(where, A = Area of the section, I_G = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.)

A. I_P = I_G + Ah²

B. I_P = I_G - Ah²

C. I_P = I_G / Ah²

D. I_P = Ah² / I_G

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

A. Reversible

B. Non-reversible

C. Ideal

D. None of these

Discuss this answer

In order to double the period of simple pendulum, the length of the string should be

A. Halved

B. Doubled

C. Quadrupled

D. None of these

Discuss this answer

The velocity of a particle moving with simple harmonic motion is __________ at the mean position.

A. Zero

B. Minimum

C. Maximum

D. None of these

Discuss this answer

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

A. Upwards

B. Downwards

C. Horizontal

D. None of these

Discuss this answer

Effect of a force on a body depends upon

A. Magnitude

B. Direction

C. Position or line of action

D. All of the above

Discuss this answer

The range of a projectile is maximum, when the angle of projection is

A. 30°

B. 45°

C. 60°

D. 90°

Discuss this answer

In order to completely specify angular displacement by a vector, it must fix

A. Direction of the axis of rotation

B. Magnitude of angular displacement

C. Sense of angular displacement

D. All of these

Discuss this answer

The necessary condition for forces to be in equilibrium is that these should be

A. Coplanar

B. Meet at one point

C. Both (A) and (B) above

D. All be equal

Discuss this answer

The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is

A. h [(2a + b)/(a + b)]

B. (h/2) [(2a + b)/(a + b)]

C. (h/3) [(2a + b)/(a + b)]

D. (h/3) [(a + b)/(2a + b)]

Discuss this answer

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

Discuss this answer

If two bodies having masses m₁ and m₂ (m₁>m₂) have equal kinetic energies, the momentum of body having mass m₁ is _________ the momentum of body having mass m₂.

A. Equal to

B. Less than

C. Greater than

D. None of these

Discuss this answer

Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

A. Two times

B. Same

C. Half

D. None of these

Discuss this answer

The horizontal range of a projectile (R) is given by

A. R = u² cos2α/g

B. R = u² sin2α/g

C. R = u² cosα/g

D. R = u² sinα/g

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

A. Static friction

B. Dynamic friction

C. Limiting friction

D. Coefficient of friction

Discuss this answer

When a body falls freely under gravitational force, it possesses __________ weight.

A. No

B. Minimum

C. Maximum

D. None of these

Discuss this answer

Which one of the following statements is not correct?

A. The tangent of the angle of friction is equal to coefficient of friction

B. The angle of repose is equal to angle of friction

C. The tangent of the angle of repose is equal to coefficient of friction

D. The sine of the angle of repose is equal to coefficient to friction

Discuss this answer

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

A. Two members with unknown forces of the frame

B. Three members with unknown forces of the frame

C. Four members with unknown forces of the frame

D. Three members with known forces of the frame

Discuss this answer

Accepted Answer

C. Minimum, if it acts at the centre of gravity of the body

The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to

The minimum force required to slide a body of weight W on a rough horizontal plane is

According to law of triangle of forces

The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

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 velocity of a body on reaching the ground from a height h, is

In ideal machines, mechanical advantage is __________ velocity ratio.

The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

The motion of a particle round a fixed axis is

The velocity ratio of a first system of pulleys with 4 pulleys is

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

Tangent of angle of friction is equal to

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

In order to double the period of simple pendulum, the length of the string should be

The velocity of a particle moving with simple harmonic motion is __________ at the mean position.

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

Effect of a force on a body depends upon

The range of a projectile is maximum, when the angle of projection is

In order to completely specify angular displacement by a vector, it must fix

The necessary condition for forces to be in equilibrium is that these should be

The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is

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.)

If two bodies having masses m₁ and m₂ (m₁>m₂) have equal kinetic energies, the momentum of body having mass m₁ is _________ the momentum of body having mass m₂.

Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

The horizontal range of a projectile (R) is given by

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

When a body falls freely under gravitational force, it possesses __________ weight.

Which one of the following statements is not correct?

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

Also checkout

The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

Correct Answer :

Show all Engineering Mechanics MCQ

Related Questions

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to

The minimum force required to slide a body of weight W on a rough horizontal plane is

According to law of triangle of forces

The frequency of oscillation of a compound pendulum is (where kG = Radius of gyration about the centroidal axis, and h = Distance between the point of suspension and C.G. of the body.)

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 velocity of a body on reaching the ground from a height h, is

In ideal machines, mechanical advantage is __________ velocity ratio.

The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is

The motion of a particle round a fixed axis is

The velocity ratio of a first system of pulleys with 4 pulleys is

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

Tangent of angle of friction is equal to

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

In order to double the period of simple pendulum, the length of the string should be

The velocity of a particle moving with simple harmonic motion is __________ at the mean position.

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

Effect of a force on a body depends upon

The range of a projectile is maximum, when the angle of projection is

In order to completely specify angular displacement by a vector, it must fix

The necessary condition for forces to be in equilibrium is that these should be

The centre of gravity of a trapezium with parallel sides a and b lies at a distance of y from the base b, as shown in the below figure. The value of y is

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.)

If two bodies having masses m1 and m2 (m1>m2) have equal kinetic energies, the momentum of body having mass m1 is _________ the momentum of body having mass m2.

Moment of inertia of a hollow circular section, as shown in the below figure about an axis perpendicular to the section, is __________ than that about X-X axis.

The horizontal range of a projectile (R) is given by

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

When a body falls freely under gravitational force, it possesses __________ weight.

Which one of the following statements is not correct?

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

Also checkout

If two bodies having masses m₁ and m₂ (m₁>m₂) have equal kinetic energies, the momentum of body having mass m₁ is _________ the momentum of body having mass m₂.