Multiple choice

When we drill a hole then the machine becomes very hot. What kind of energy transformation takes place during this process?

  1. Heat energy into mechanical energy

  2. Mechanical energy into heat energy

  3. Mechanical energy into sound energy

  4. Heat energy into electric energy

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

While drilling the hole, mechanical energy of drill gets converted into heat and sound energy. The heat energy makes the drill hot.  

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