When a child vigorously rubs their cold palms together, their hands feel warm. Which energy transformation…

When a child vigorously rubs their cold palms together, their hands feel warm. Which energy transformation explains this?
  1. Heat energy converts into Chemical energy
  2. Mechanical energy converts into Heat energy
  3. Electrical energy converts into Sound energy
  4. Potential energy converts into Light energy

Solution

The mechanical work done by muscular force while rubbing hands together is converted into heat energy due to friction.

Asked in: Homi Bhabha Practice

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