Modelling Flashcards
1
Q
Particle
A
All forces act through one point
2
Q
Rod
A
Length only
3
Q
Light
A
No mass
4
Q
Inextensible
A
Does not extend so acceleration is constant for towbar
5
Q
Peg
A
Single resting point
6
Q
Pulley
A
No friction so tension is constant throughout system
7
Q
Air resistance
A
Never air resistance