Lecture—20 October 2003

Pseudopodial activity could simply be related to the underlying laws of physics and chemistry

Hydrostatics and the hydrostatic skeleton

Classes of levers

Class one—teeter totter

Class two—pry bar

Class three—tweezers

For every force there is an equal and opposite force

When looking at muscular contraction, there are usually pairs of antagonistic muscles

Velocity= distance / time

Acceleration = distance /time * time

Inertia = resistance to movement