Answer:
1.mechanical energy
When you rub your hands together, the action of scraping the surface of your skin back and forth against each other causes the molecules in your skin to move a little faster. The faster that molecules move, the higher the temperature. So the friction of rubbing your hands together makes them feel warmer.
2. Chemical
The primary forms of energy produced by a burning candle are heat and light. These come from the burning of fuel, in this case wax and, to a much lesser extent, the string of the candle's wick. Chemical bonds are the basis of the energy released in the form of heat and light when a candle burns.
3. potential energy
Wall clocks can be used to mark special events, for example children's birth times (clocks are stopped at the time of birth) and can be displayed next to special photographs
Explanation:
