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Principle
The relationship between torque and angle of rotation is determined when metal bars are twisted. The hysteresis curve is recorded.
Benefits
- Beyond Hooke's law
- Hysteresis – mostly known from the field of magnetism – can be experienced in mechanics
- Learn the meaning of the words stress, relaxation and equilibrium in a physics context
- Various torsion rods out of different material and with several diameters included
Tasks
- Record the hysteresis curve of steel and copper rods.
- Record the stress-relaxation curve with various relaxation times of different materials.
Learning objectives
- Mechanical hysteresis
- Elasticity
- Plasticity
- Relaxation
- Torsion modulus
- Plastic flow
- Torque
- Hooke's law
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Digital learning
(ru) Описание Эксперимента
p2120300r .pdf
File size 0.81 Mb
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(en) Versuchsbeschreibung
p2120300_en .pdf
File size 0.69 Mb
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(es) Versuchsbeschreibung
p2120300_es .pdf
File size 0.77 Mb
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