8 - Modelling in mechanics Flashcards
1
Q
Define a particle model.
A
Dimensions of object are negilible.
2
Q
Define a rod model.
A
All dimensions but one are negilible.
3
Q
Define a lamina.
A
Object with area, but negligible thickness
4
Q
Define a uniform body.
A
Mass is distributed evenly.
5
Q
Define a light object.
A
Mass of the object is small compared to other masses.
6
Q
Define an inextensible string.
A
A string which does not stretch under load.
7
Q
Define a wire.
A
Thin, rigid piece of metal.
8
Q
Define bead.
A
Particle with a hole in it for threading on a wire or string.
9
Q
Define a peg.
A
A support from which a body can be suspended or rested.