1J40.70 - Crane Boom

Crane boom


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