Hooke's law with Cobra3

 Product No: P2130111

Principle

The validity of Hooke's Law is proven using various helical springs with different spring constants. In comparison, the behaviour of a stretched rubber band is examined, for which there is no proportionality between acting force and resulting extension.

Tasks

  1. Calibration of the system (movement sensor and force sensor).
  2. Measurement of the tensile force as a function of the path for three different helical springs and a rubber band.
  3. Determination of the spring constant and evaluation of a hysteresis curve.
  4. Verification of Hooke's law.

What you can learn about

  • Spring constant
  • Limit of elasticity
  • Extension and compression



Materiallist (Excerpt) Product Amount
Cobra3 BASIC-UNIT, USB 12150-50 1
Newton sensor 12110-01 1
Movement sensor with cable 12004-10 1
Measuring module Newton 12110-00 1
Power supply 12V / 2A 12151-99 1
Barrel base PHYWE 02006-55 1
Bench clamp PHYWE 02010-00 1
Plate holder 02062-00 1
Stand tube 02060-00 1
Software Cobra3-Force/ Tesla 14515-61 1
Support rod PHYWE, square, l = 1000 mm 02028-55 1
Meter scale, demo. l=1000mm 03001-00 1
Right angle clamp PHYWE 02040-55 2
Adaptor, BNC socket/4 mm plug 07542-20 1
Adapter, BNC socket/4 mm plug pair 07542-27 1
Square section rubber strip,l 10m 03989-00 1
Nylon thread, l 50m 02095-00 1
Helical spring, 30 N/m 02224-00 1
Helical spring, 3 N/m 02220-00 1
Helical spring, 20 N/m 02222-00 1

Literature for this article als follows

Title Product Language
TESS expert Handbook Laboratory Experiments Physics 16502-32 ENG

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Product No: P2130111

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