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

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

mr²/4

mr²/6

mr²/2

mr²/8

mr²/4

mr²/6

mr²/2

mr²/8

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Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Both of above are correct

Equal to the moment of the couple

Constant

Both of above are wrong

Both of above are correct

Equal to the moment of the couple

Constant

Both of above are wrong

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Engineering Mechanics
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

(1/2π). √(g/l)

None of these

2π. √(l/g)

(1/2π). √(l/g)

(1/2π). √(g/l)

None of these

2π. √(l/g)

(1/2π). √(l/g)

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Engineering Mechanics
Which of the following statement is incorrect?

The velocity ratio of a machine is the ratio of load lifted to the effort applied

The ratio of the limiting friction to the normal reaction is called coefficient of friction

A force acting in the opposite direction to the motion of the body is called force of friction

A machine whose efficiency is 100% is known as an ideal machine

The velocity ratio of a machine is the ratio of load lifted to the effort applied

The ratio of the limiting friction to the normal reaction is called coefficient of friction

A force acting in the opposite direction to the motion of the body is called force of friction

A machine whose efficiency is 100% is known as an ideal machine

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Engineering Mechanics
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Twice

Thrice

Same as

Four times

Twice

Thrice

Same as

Four times

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Engineering Mechanics
The moment of a force

Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken

Is the turning effect produced by a force, on the body, on which it acts

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force

All of these

Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken

Is the turning effect produced by a force, on the body, on which it acts

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force

All of these

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Engineering Mechanics

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

Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is

Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

Engineering Mechanics Which of the following statement is incorrect?

Engineering Mechanics Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Engineering Mechanics The moment of a force

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

Engineering Mechanics
The algebraic sum of moments of the forces forming couple about any point in their plane is

Engineering Mechanics
The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.)

Engineering Mechanics
Which of the following statement is incorrect?

Engineering Mechanics
Mass moment of inertia of a thin rod about its one end is ___________ the mass moment of inertia of the same rod about its mid-point

Engineering Mechanics
The moment of a force