P2.3.3.2 Converting Mechanical Energy into Heat Energy - Recording and Evaluating with CASSY
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Converting Mechanical Energy into Heat Energy - Recording and Evaluating with CASSY
These experiments P2.3.3.1 und P2.3.3.2 show the equivalence of mechanical and heat energy. A hand crank is used to turn various calorimeter vessels on their own axes, and friction on a nylon belt causes them to become warmer. The friction force is equivalent to the weight G of a suspended weight. For n turns of the calorimeter, the mechanical work is thus
This results in an increase in the temperature of the calorimeter which corresponds to the specific heat capacity 
To confirm the relationship 
the two quantities are plotted together in a diagram. In the experiment P2.3.3.1, the measurement is conducted and evaluated manually point by point. The experiment P2.3.3.2 takes advantage of the computer-assisted measuring system CASSY.
COMPONENTS OF EQUIPMENT SETS:
| 1 | 388 00 | Equivalent of heat, basic apparatus |
| 1 | 388 01 | Water calorimeter |
| 1 | 388 02 | Copper-block calorimeter |
| 1 | 388 03 | Aluminium-block calorimeter |
| 1 | 388 04 | Aluminium-block calorimeter, large |
| 1 | 388 24 | Weight, 5 kg |
| 1 | 524 005 | Mobile-CASSY 2 |
| 1 | 529 676 | Temperature probe, NiCr-Ni, 1.5 mm, type K |
| 1 | 524 431 | Light barrier M |
| 1 | 688 808 | Stand rod, 10 x 223 mm, with thread M6 |
| 1 | 300 02 | Stand base, V-shaped, small |
| 1 | 301 01 | Leybold multiclamp |
| 1 | 301 11 | Clamp with jaw clamp |
| 1 | 300 40 | Stand rod, 10 cm, 12 mm diam. |
| 1 | 300 41 | Stand rod, 25 cm, 12 mm Ø |
| 1 | 301 07 | Simple bench clamp |
EXPERIMENT INSTRUCTIONS PLEASE CLICK HERE
