Shadowgraph

This experiment consists of a rotating wheel with a single peg next to an oscillating mass on a spring. The shadows of both the peg and the mass on the spring are observed to oscillate at the same rate even though one is moving in a circle and the other is moving in a straight line.

Pira DCS # 3A40.10

Equipment
Paper Screen   Light Source   Motorized Rotating Disc
Spring   Mass Hanger   Masses
Pasco Digital Function Generator   Steel Pole   Cenco Black Table Clamp
90 deg Pole Clamp