Statics Flashcards
(6 cards)
1
Q
Centre of gravity
A
The point through which all the weight appears to act
2
Q
Centre of mass
A
The point though which all of the mass can be considered to be concentrated
3
Q
Moment of a force
A
The product of the force and the perpendicular distance from the axis to the line of action of the force
4
Q
Moment of a force about its own line of action
A
0Nm
5
Q
Principle of moments
A
When a body is in equilibrium, the algebraic sum of the moments is zero about any point
6
Q
Couple
A
Two forces that are equal and opposite, parallel but not collinear. (Turning effect but no resultant force)
