The toy car starts moving because it has acquired energy from the winding action, which enables it to do work and move.
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The emitted or absorbed heat which changes the state of the substance but does not cause any change in temperature is called latent heat. This energy is used for phase transitions, such as melting or boiling, without altering the substance’s ...
Water on mountains starts boiling at a temperature less than 100°C due to the lower atmospheric pressure at higher altitudes. The reduced pressure decreases the boiling point of water, causing it to boil at temperatures below 100°C.
The unit of energy is the joule (J), which is the amount of energy required to do one joule of work.
The second object receives the energy, may move, and performs work, demonstrating the first object’s capacity to do work.