Non-Concurrent Force Systems in a Plane Flashcards
1
Q
What does concurrent forces mean?
A
A set of point forces is considered concurrent if all the lines of action of those forces all come together at a single point
2
Q
What is a moment?
A
Force x perp. distance
3
Q
A
4
Q
What is the equivalence of parallel forces?
A
- Replacing a force with an identical force and a moment
5
Q
How many equations are there in a general force system?
A
3
6
Q
How many equations for parallel forces system?
A
2
7
Q
When can we write down a linear combination of A and B?
A
If we have results for two load cases A and B on a rigid body
8
Q
What types of supports can you have?
A
- Pin roller
- Pin support
- Fixed or rigid support
- Collar or frictionless rod
- Short cable
