The Interrupt card set consists of 3 cards used with Light Gates.
- A single interrupt card – a 100 x 100mm black plastic square
- A double interrupt card – 180 x 80mm made from clear polycarbonate, printed with two black stripes
- A multi-segmented interrupt card (also known as a picket fence) – 500 x 55mm made of clear polycarbonate, printed with twelve black stripes
Applications include:
- Picket fence for investigating gravity
- Other interrupt cards for time, velocity and acceleration
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