Experiment: Increase of Internal Energy by Mechanical Work

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Objective: Verifying the First Law of Thermodynamics

The experiment is to investigate the increase of internal energy of an aluminium body caused by friction. The increase can be observed by measuring the increase in the temperature of the body, which is proportional to the work done, as the body undergoes no change in the state of aggregation and no chemical reaction occurs. To eliminate the effect of heat exchange between the aluminium body and the environment as far as possible, begin the series of measurements slightly below room temperature and end the series at a temperature slightly above room temperature. The difference below and above room temperature prior to starting the measurements and at the point of concluding them should approximately be the same.

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3B 科技产品型号

3B Scientific

Experiment: Increase of Internal Energy by Mechanical Work

Experiment: Increase of Internal Energy by Mechanical Work

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热当量装置

数字万用表 P1035

Pair of Safety Experiment Leads, 75 cm, blue, red

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Experiment: Increase of Internal Energy by Mechanical Work

Experiment: Increase of Internal Energy by Mechanical Work

组件

热当量装置

数字万用表 P1035

Pair of Safety Experiment Leads, 75 cm, blue, red