PIRA Classification: 1J40.70
Description: A model crane boom is displayed to the class. The boom will be at 45 degrees to the vertical. The length, r, of the arm is 1 m, and the mass of the arm is 0.95 kg. A 1 kg mass hangs from the end, and the tension in the horizontal support is measured.
Special Instructions: None
Condition: OK
Setup time: 1 minute