# Physics AS AQA (Random Questions)

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- Created by: Kelsie_Em182
- Created on: 08-10-14 18:34

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?

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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?

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What is the definition of the centre of gravity?

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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?

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What is the definition of the centre of gravity?

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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?

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What is the definition of the centre of gravity?

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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

79 of 89

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

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