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A car engine is technically a heat engine that has no energy of its own but it converts the chemical energy in the fuels into heat and then into kinetic energy by turning a rotating shaft.
The chemicals that react to make the engine work consists of carbon and hydrogen from the gasoline in the fuel tank, and oxygen taken from the atmosphere. The carbon reacts with oxygen to produce carbon dioxide and heat, while the hydrogen reacts with oxygen to produce water and heat.
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How is energy conserved when a car is going down a hill with no brakes?
The engine doesn't have to use as much fuel when the car is traveling downhill.
What is a energy transformation in a car engine?
The chemical energy is transformed in kinetic energy.
What energy transformations occur in a car?
Mechanical
What energy form does a car engine transform from chemical energy?
Chemical energy transforms to kinetic energy which makes the car move.
How is energy dissipated from a car engine?
Heat
What form of energy is generated when gasoline is burned in a car engine and the car moves?
kinetic energy is created
What kind of energy does a car engine have?
A car engine transforms chemical energy into kinetic energy. The petrol is combined with air in the engine and set alight in an explosion. the force of the expanding gasses caused by this ignition pushes a piston which in turn turns the drive shaft and hence the wheels around.
What energy transformations happen in a car engine?
In a car engine, the chemical energy stored in the gasoline is converted to thermal energy through combustion. The thermal energy is then converted to mechanical energy as the pistons move and drive the vehicle. Finally, the mechanical energy is transferred to the wheels to propel the car forward.
How is electrical energy use in car?
It starts the engine
What is the wasted energy from a car engine?
heat and sound
When gasoline is burned in a car engine what energy is converted into another energy?
Chemical Energy into Mechanical Energy
Where does the energy needed to start a car come from?
The energy needed to start a car comes from the battery. The battery supplies electrical energy to the starter motor, which then cranks the engine to begin the combustion process. Once the engine is running, it generates its own power to keep the car operating.
