Torsion Balance

Static and dynamical measurement of the torsional modulus of a metal wire

Precise and simple, the Altay Torsion Balance is designed to study the torsional elasticity of a metal wire. Using pendulum's movement, the measurement of the balance oscillating period allows us to estimate the modulus of torsion.

Order Code: 4170.00

Equipment needed

• Digital Chronometer (code 2231.52) or Vernier Photogate (code 2312.10) or Motion Detector (code 2310.10)
• LabPro or LabQuest

Specifications

• Size: 37 x 35 x 100 cm
• Weight: approx. 2.5 kg

Main components

• Torsion balance (with protractor and clamp)
• Pan for weights
• Reference index
• Mass (10 g) (8x)
• Balance Arm with nylon string and weights
• Metal wire diam. 0.4 mm (length 40 cm)
• Metal wire diam. 0.6 mm (length 40 cm)
• Metal wire diam. 0.8 mm (length 40 cm)

Laws and principles investigated

• Moment of inertia
• Torsional modulus
• Oscillation's period
• Moment of a force

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