Physics AS AQA (Random Questions)

What are the two conditions for equilibrium?
No resultant force and no resultant moment
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What is the principle of moments?
For an object not to rotate. Equal forces on both sides and everything is level
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How do you work out a moment?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of a moment to be in equilibrium?
No resultant force and no
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How do you work out a moment?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the centre of mass?
The centre of mass
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How do you work out a moment?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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How do you work out a moment?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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How do you work out a moment?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the definition of the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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What is the definition of the moment of force?
Force x Perpendicular distance between the line of action of force and the pivot
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What is the equation for a moment?
M = F x d
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What is the definition of the Moment of a Couple?
One force x Distance between the two forces
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In equilib
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the definition of the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the definition of the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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What is the definition of the moment of force?
Force x Perpendicular distance between the line of action of force and the pivot
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What is the equation for a moment?
M = F x d
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What is the definition of the Moment of a Couple?
One force x Distance between the two forces
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What is the equation for the principle of moments?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the definition of the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the definition of the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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What is the definition of the moment of force?
Force x Perpendicular distance between the line of action of force and the pivot
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What is the equation for a moment?
M = F x d
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What is the definition of the Moment of a Couple?
One force x Distance between the two forces
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What is stable equilibrium?
If moved
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What is the equation for the principle of moments?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the definition of the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the definition of the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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What is the definition of the moment of force?
Force x Perpendicular distance between the line of action of force and the pivot
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What is the equation for a moment?
M = F x d
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What is the definition of the Moment of a Couple?
One force x Distance between the two forces
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What is stable equilibrium?
If tilted, the object will move back to its original place without toppling
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What is unstable equilibrium?
If nudged/tilted, the object will topple one way or another
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What is a Couple?
A pair of
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What is the equation for the principle of moments?
Sum of the Anti-Clockwise moments = Sum of the Clockwise moments
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What are the two conditions of equilibrium?
No resultant force and no resultant moment
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What is the definition of the centre of mass?
The centre of mass of a body is the point which a single force anywhere on the body has no turning effect
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What is the definition of the centre of gravity?
A point from which the weight of a body may be considered to act. In uniform gravity it is the same as the centre of mass
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What is the definition of the moment of force?
Force x Perpendicular distance between the line of action of force and the pivot
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What is the equation for a moment?
M = F x d
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What is the definition of the Moment of a Couple?
One force x Distance between the two forces
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What is stable equilibrium?
If tilted, the object will move back to its original place without toppling
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What is unstable equilibrium?
If nudged/tilted, the object will topple one way or another
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What is a Couple?
A pair of equal and opposite forces acting on a body but not along the same line
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What is stable equilibrium?
If tilted, the object wi
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x D
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x d)
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What is the definition of centre of mass?
The centre of mass of a body is tg
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x d)
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What is the definition of centre of mass?
The centre of mass of a body is the point where a single force on the body has no turning effect
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What is the definition of centre of gravity?
a point from which the weight of a body or system may be considered to act. In uniform, gravity it is the same as the centre of mass.
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x d)
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What is the definition of centre of mass?
The centre of mass of a body is the point where a single force on the body has no turning effect
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What is the definition of centre of gravity?
A point from which the weight of a body may be considered to act. In uniform, gravity it is the same as the centre of mass.
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How do you work out the moment of a Couple?
One force x distance between the two forces
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What is a Couple?
A pair of equal and opposite forces acting on a body, but not along the same line
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x d)
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What is the definition of centre of mass?
The centre of mass of a body is the point where a single force on the body has no turning effect
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What is the definition of centre of gravity?
A point from which the weight of a body may be considered to act. In uniform, gravity it is the same as the centre of mass.
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How do you work out the moment of a Couple?
One force x distance between the two forces
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What is a Couple?
A pair of equal and opposite forces acting on a body, but not along the same line
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What is stable equilibrium?
If tilted, the object will move back to its original position without toppling
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What is unstable equilibrium?
If tilted even slightly, the object will topple one way or another
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How do you work out a moment?
Force x Perpendicular distance between the pivot and the line of action of the force (M = F x d)
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What is the definition of centre of mass?
The centre of mass of a body is the point where a single force on the body has no turning effect
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Other cards in this set

Card 2

Front

What is the principle of moments?

Back

For an object not to rotate. Equal forces on both sides and everything is level

Card 3

Front

How do you work out a moment?

Back Card 4

Front

What are the two conditions of a moment to be in equilibrium?

Back Card 5

Front

How do you work out a moment?

Back 