PIRA Code(s): 1L20.40
Set up time:5 minutes
Operation: Remove pieces from the cone to show different conic sections.
Physics and Science Concepts: Gravity
Safety: Nails that connect pieces may be sharp.

PIRA Code(s): 1M20.10
Set up time:none
Operation: These may be used by themselves or with other demonstrations.
Physics and Science Concepts: Mechanics, Mechanical Advantage, Simple Machines
Safety: None

PIRA Code(s): 1M20.30
Set up time:5 minutes
Operation: Set the empty friction box on the incline with weights attached to the string on the other side of the pulley so that the box slides forward. Then, gradually increase the angle of the plane until the box and the weights reach equilibrium.
Physics and Science Concepts: Equilibrium of forces, Mechanics, Work and Energy
Safety: None

PIRA Code(s): 1Q40.40
Set up time:5 minutes
Operation: Place the train on the track. Plug the track into the variac and start the train by moving the dial.
Physics and Science Concepts: Mechanics, Angular Momentum, Rotational Dynamics, Angular Momentum, Relative Motion
Safety: Watch for sparks from the train. Maintain a cautious distance from the wheel.