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Think of one example where heat and friction are good outcomes of a process or machine. Identify the specific cause of friction in this process and the object(s) that becomes hotter as a result.
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Think of one example where heat and friction are good outcomes of a process or machine. Identify the

specific cause of friction in this process and the object(s) that becomes hotter as a result.

User Ilia Barahovsky
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Answer: 1. rubbing your hands together to keep warm in winter

2. the parts of a car engine rubbing together causes it to overheat sometimes

3. rubbing sticks together to make fire (it takes about two hours, but the stick gets hot)

User Nicholas Kinar
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