6.4 More on Moments Flashcards
1
Q
When an object in equilibrium is supported at one point only…
A
… the support force on the object is equal and opposite to the total downward force acting on the object
2
Q
Object in equilibrium equation
A
S=W1+W2+W0
In which:
S is the support force
W0 is the weight of the object
3
Q
What is a couple
A
A pair of equal and opposite forces acting on a body, but not along the same line
4
Q
The moment of a couple =
A
force * perpendicular distance between the lines of action of the forces
