Hurricanes convert heat energy into mechanical energy, and hurricanes A hurricane is a type of tropical cyclone. Given these facts, what's an example of something that converts heat energy into mechanical energy among the following options:
- Roller coaster
 - Tropical cyclone
 - dangerous
 - objects that have mass
 - Electric heater
 - electricity
 - Candle
 - an engine


 

  Tropical cyclone       