Principles Of Moments Flashcards
1
Q
What is a beam?
A
Is a structural member designed to carry transverse loads
2
Q
What is a Fulcrum?
A
Is a point at which a beam can pivot
3
Q
What is a lever?
A
Is a beam in which 2 forces, a load and an effort are present
4
Q
What is a reaction force?
A
Newton’s third law of motion states that for every force there is an equal and opposite force
5
Q
What is a moment?
A
A moment is the turning effect of a force about some axis of rotation
6
Q
Forces down = ?
A
Forces up
7
Q
CM = ?
A
ACM
8
Q
What is centre of gravity?
A
The centre of a weights distribution
9
Q
What is a freely supported beam?
A
Supported on ‘knife edges’ and free to rotate on a point
