PIRA Classification: 1J40.24
Description: A long beam is placed half on, half off the lecture bench. A 100 lb weight is placed at one end. A person walks on the plank off of the lecture bench to a calculated distance.
Special Instructions: Make sure your calculations are accurate.
Setup time: 2 minutes
Safety Issues: If the plank feels like it will slip or tip, walk back to the lecture bench.