Topic 5 and 6 Flashcards
1
Q
Lever
A
A device used to change the amount of force needed to move an object
2
Q
Fulcrum
A
The part of the lever that doesn’t move
3
Q
3 Ways materials fail
A
From shearing, Bending or Buckling, and Torsion
4
Q
Shear
A
Of a section of compressed material, to slide over another section along a weak point
5
Q
Bend or buckle
A
Of a material, to fold under a compressive force
6
Q
Torsion
A
The action of twisting or the state of being twisted, especially of one end of an object relative to the other.
7
Q
Metal Fatigue (sickness)
A
A weakening of metal due to stress, resulting in an accumulation of small cracks
8
Q
3 Design types
A
Arches, Cantilever, and Braces
9
Q
Friction
A
A force that resists the movement of 2 surfaces rubbing together
