What's the difference between an energy system and energy store? GCSE physics

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Lightning-Strike
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On the AQA syllabus the first section of GCSE physics talks about energy systems. When I was looking online or in the AQA physics student book it only seems to refer to an energy system as an energy storage.

Is an energy system exactly the same as an energy storage? If not then what's the difference?

Thank you.
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rajukeenan
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A system is an object or
group of objects. The amount of energy in system determines which changes can
be made to it. Energy transfers happen all the time - whenever a system
changes, there is a change in the way some or all of the energy is stored.
Energy can exist in eight different stores Such as
mechanical, electrostatic, magnetic, thermal, chemical, elastic, kinetic, gravitational
and nuclear
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Eimmanuel
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(Original post by Lightning-Strike)
On the AQA syllabus the first section of GCSE physics talks about energy systems. When I was looking online or in the AQA physics student book it only seems to refer to an energy system as an energy storage.

Is an energy system exactly the same as an energy storage? If not then what's the difference?

Thank you.

In physics, a system is described as the part of the universe that you are interested to study at.

A valid system
  • may be a single object or particle (e.g. a piece of iron)
  • may be a quantity of matter (e.g. a beaker of water)
  • may be a collection of objects or particles (e.g. Moon orbiting around the Earth)
  • may be a region of space (e.g. the engine of a car)


Every system has associated with it a quantity we call its total energy or system energy.
System energy is the sum of the different kinds of energies present in the system: kinetic energy, gravitational potential energy, thermal energy, chemical potential energy, and so on.

Energy storage is different from the energy store.

Energy store is the type of energy. It is advisable to check with your teacher what are the kinds of energy store that you are required to learn.

In AQA, you may have to learn 7 forms of energy stores as shown in the following link.
https://www.bbc.co.uk/bitesize/guide...rwx/revision/1
https://www.bbc.co.uk/bitesize/guide...q6f/revision/1

The list of energy stores are:
  • kinetic energy
  • elastic potential energy
  • gravitational potential energy
  • chemical energy
  • internal (thermal) energy
  • electrostatic (or electric) energy
  • magnetic energy
  • nuclear energy

We can call kinetic store or kinetic energy store.


A few comments about the list of energy stores:
  • In general, thermal energy is part of internal energy.
  • Mechanical energy is NOT a new type of energy, it is the sum of kinetic energy and potential energy usually the sum of kinetic energy and gravitational potential energy.
  • In certain area of physics, we don’t separate out the electric and magnetic energy but just call it as electromagnetic energy or electric-magnetic energy.
  • Sometimes, the teacher may introduce another type of energy store known vibration. Vibrational energy is a combination of kinetic and potential energy.
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Lightning-Strike
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(Original post by Eimmanuel)
In physics, a system is described as the part of the universe that you are interested to study at.

A valid system
  • may be a single object or particle (e.g. a piece of iron)
  • may be a quantity of matter (e.g. a beaker of water)
  • may be a collection of objects or particles (e.g. Moon orbiting around the Earth)
  • may be a region of space (e.g. the engine of a car)


Every system has associated with it a quantity we call its total energy or system energy.
System energy is the sum of the different kinds of energies present in the system: kinetic energy, gravitational potential energy, thermal energy, chemical potential energy, and so on.

Energy storage is different from the energy store.

Energy store is the type of energy. It is advisable to check with your teacher what are the kinds of energy store that you are required to learn.

In AQA, you may have to learn 7 forms of energy stores as shown in the following link.
https://www.bbc.co.uk/bitesize/guide...rwx/revision/1
https://www.bbc.co.uk/bitesize/guide...q6f/revision/1

The list of energy stores are:
  • kinetic energy
  • elastic potential energy
  • gravitational potential energy
  • chemical energy
  • internal (thermal) energy
  • electrostatic (or electric) energy
  • magnetic energy
  • nuclear energy

We can call kinetic store or kinetic energy store.


A few comments about the list of energy stores:
  • In general, thermal energy is part of internal energy.
  • Mechanical energy is NOT a new type of energy, it is the sum of kinetic energy and potential energy usually the sum of kinetic energy and gravitational potential energy.
  • In certain area of physics, we don’t separate out the electric and magnetic energy but just call it as electromagnetic energy or electric-magnetic energy.
  • Sometimes, the teacher may introduce another type of energy store known vibration. Vibrational energy is a combination of kinetic and potential energy.
Wow. Thank you so much for your post. That was very helpful.
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