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Questions and Answers
What is the external force required to make a body move along a curved path with uniform linear velocity?
What is the external force required to make a body move along a curved path with uniform linear velocity?
- Centripetal force (correct)
- Centrifugal force
- Reactive force
- Tangential force
What is the force that acts radially outwards on a body moving with uniform linear velocity along a circular path?
What is the force that acts radially outwards on a body moving with uniform linear velocity along a circular path?
- Centripetal force
- Centrifugal force (correct)
- Active force
- Tangential force
Which type of motion involves the action of reactive or centrifugal force to tilt or move the body in a radially outward direction?
Which type of motion involves the action of reactive or centrifugal force to tilt or move the body in a radially outward direction?
- Circular motion
- Linear motion
- Angular motion (correct)
- Rectilinear motion
How can angular acceleration be represented visually?
How can angular acceleration be represented visually?
What does the vector xx' represent in the context of angular motion?
What does the vector xx' represent in the context of angular motion?
In which direction does the centrifugal force act on a body moving with uniform linear velocity along a circular path?
In which direction does the centrifugal force act on a body moving with uniform linear velocity along a circular path?
What is the mass moment of inertia of the rotor?
What is the mass moment of inertia of the rotor?
What is the angular velocity of precession?
What is the angular velocity of precession?
What is the gyroscopic couple when the rotor rotates in a clockwise direction and the ship steers to the left?
What is the gyroscopic couple when the rotor rotates in a clockwise direction and the ship steers to the left?
How are the bow and stern affected by the reactive gyroscopic couple when the rotor rotates clockwise and the ship steers to the left?
How are the bow and stern affected by the reactive gyroscopic couple when the rotor rotates clockwise and the ship steers to the left?
In which application are gyroscopes used to maintain direction in tunnel mining?
In which application are gyroscopes used to maintain direction in tunnel mining?
What is the angular velocity of the axis of spin known as?
What is the angular velocity of the axis of spin known as?
In which direction does the active gyroscopic couple act?
In which direction does the active gyroscopic couple act?
What is the name of the axis about which the axis of spin rotates?
What is the name of the axis about which the axis of spin rotates?
What is the effect of the reactive gyroscopic couple on a disc when the axis of spin rotates about the axis of precession?
What is the effect of the reactive gyroscopic couple on a disc when the axis of spin rotates about the axis of precession?
What is the plane XOY referred to as?
What is the plane XOY referred to as?
What is the vector xx' in relation to the gyroscopic principle?
What is the vector xx' in relation to the gyroscopic principle?
Which plane is called the plane of spinning in gyroscopic systems?
Which plane is called the plane of spinning in gyroscopic systems?
'Angular momentum' is represented by which vector on the disc?
'Angular momentum' is represented by which vector on the disc?
In the context of a two-wheel vehicle taking a turn, what is the angle known as when the vehicle is inclined at an angle with the vertical plane?
In the context of a two-wheel vehicle taking a turn, what is the angle known as when the vehicle is inclined at an angle with the vertical plane?
What is the formula for calculating the velocity of precession when a two-wheel vehicle moves over a curved path?
What is the formula for calculating the velocity of precession when a two-wheel vehicle moves over a curved path?
When a two-wheel vehicle is turning, what is the effect of the centrifugal couple?
When a two-wheel vehicle is turning, what is the effect of the centrifugal couple?
What is the formula for calculating the balancing couple required for stability in a turning two-wheel vehicle?
What is the formula for calculating the balancing couple required for stability in a turning two-wheel vehicle?
In Example 1, what is the mass moment of inertia (I) of the uniform disc mounted on an arm?
In Example 1, what is the mass moment of inertia (I) of the uniform disc mounted on an arm?
In Example 2, what is the effect of the gyroscopic couple on the aircraft when it makes a half circle?
In Example 2, what is the effect of the gyroscopic couple on the aircraft when it makes a half circle?
What is the angular velocity of precession in Example 3 of the ship turbine rotor?
What is the angular velocity of precession in Example 3 of the ship turbine rotor?
How does the gyroscopic couple affect the ship's turbine rotor in Example 3 when it steers to the left?
How does the gyroscopic couple affect the ship's turbine rotor in Example 3 when it steers to the left?
What is the gyroscopic couple acting on an aeroplane in Example 2 when it rotates at 2400 rpm?
What is the gyroscopic couple acting on an aeroplane in Example 2 when it rotates at 2400 rpm?
If a two-wheel vehicle is inclined with an angle of heel of $45^{ ext{o}}$, what value does this angle represent according to the text?
If a two-wheel vehicle is inclined with an angle of heel of $45^{ ext{o}}$, what value does this angle represent according to the text?
What effect does the active gyroscopic couple have on an airplane during a left turn?
What effect does the active gyroscopic couple have on an airplane during a left turn?
What is the effect of the reactive gyroscopic couple on a naval ship during a left turn?
What is the effect of the reactive gyroscopic couple on a naval ship during a left turn?
Which direction is the active gyroscopic couple on an airplane during a left turn according to the text?
Which direction is the active gyroscopic couple on an airplane during a left turn according to the text?
In which direction will the reactive gyroscopic couple act on an airplane during a left turn?
In which direction will the reactive gyroscopic couple act on an airplane during a left turn?
What is the effect of the active gyroscopic couple on a naval ship during steering?
What is the effect of the active gyroscopic couple on a naval ship during steering?
During pitching of a naval ship, what effect does the reactive gyroscopic couple have when the pitching is upward?
During pitching of a naval ship, what effect does the reactive gyroscopic couple have when the pitching is upward?
What happens to the ship's movement when pitching downward with respect to the reactive gyroscopic couple?
What happens to the ship's movement when pitching downward with respect to the reactive gyroscopic couple?
How does the rotor's rotation direction affect a ship's angular momentum vector in steering?
How does the rotor's rotation direction affect a ship's angular momentum vector in steering?
'The plane of active gyroscopic couple XOY will be perpendicular to xx', i.e. vertical in this case.' - Which figure shows this relationship?
'The plane of active gyroscopic couple XOY will be perpendicular to xx', i.e. vertical in this case.' - Which figure shows this relationship?
What is meant by 'pitching' in naval terms?
What is meant by 'pitching' in naval terms?
In the context of a naval ship rolling, when will there be no effect of the gyroscopic couple?
In the context of a naval ship rolling, when will there be no effect of the gyroscopic couple?
What is the formula for the net gyroscopic couple (C) acting on a vehicle moving along a curved path?
What is the formula for the net gyroscopic couple (C) acting on a vehicle moving along a curved path?
What reaction will be produced on the road surface due to the gyroscopic couple in a vehicle taking a turn?
What reaction will be produced on the road surface due to the gyroscopic couple in a vehicle taking a turn?
Which situation would tend to overturn an automobile while in motion?
Which situation would tend to overturn an automobile while in motion?
What is the condition for the contact between inner wheels and the ground to be maintained during high-speed motion?
What is the condition for the contact between inner wheels and the ground to be maintained during high-speed motion?
What is the formula for the vertical reaction at each outer or inner wheel due to the gyroscopic couple?
What is the formula for the vertical reaction at each outer or inner wheel due to the gyroscopic couple?
What happens when PI may be zero or negative in a vehicle moving at high speeds?
What happens when PI may be zero or negative in a vehicle moving at high speeds?
What causes vertical reactions that are vertically upwards on outer wheels and downwards on inner wheels in a vehicle taking a turn?
What causes vertical reactions that are vertically upwards on outer wheels and downwards on inner wheels in a vehicle taking a turn?
Which component balances the overturning couple in a vehicle moving along a curved path?
Which component balances the overturning couple in a vehicle moving along a curved path?
What determines whether a positive or negative sign is used in the formula for net gyroscopic couple acting on a vehicle?
What determines whether a positive or negative sign is used in the formula for net gyroscopic couple acting on a vehicle?
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