The following examples attempt to illustrate the rich structure available in simple dynamic events. Here we consider simple events consisting of one or two "point mass" objects.

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Bounce event:

• Bounce with table
• Bounce without table

Interaction between pairs of objects:

• Push
• Pull
• Chase1 Chase2 Chase3
• Follow1 Follow2 Follow3

Ideal collisions between pairs of objects:

• m1=m2
• m1>m2
• m1<m2

Causality (after Leslie's experiments, "Do infants perceive causality"):

• Regular collision event
• Action separated in space
• Action delayed in time

Other events (smooth approach followed by various behaviours of second object):

• Sudden exit
• Sudden exit after delay
• Smooth exit
• Smooth exit after delay