AS 1.3 Principle Of Moments Flashcards
1
Q
What is the centre of gravity of an object?
A
The centre of gravity of an object is a point where the entire weight of the object seems to act
2
Q
What is the centre of mass of an object?
A
The centre of mass of an object is a point where the entire mass of an object seems to be concentrated
3
Q
What is a moment?
A
A moment is the product of a force and the perpendicular distance to/from the pivot/point
4
Q
Principle of Moments
A
When a system is in equilibrium, the sum of the clockwise moments about a point is equal to the sum of the anti-clockwise moments about the same point
5
Q
Equation for moment
A
Moment = F x d
