Aerodynamics in itself is plural. Aerodynamic would be the singular form. Example: The airplanes wing was very aerodynamic. This would mean that the wing is capable of producing lift, drag etc. The plural form would be aerodynamics because you are talking about a wide range of ideas related to an object going through the air.
The plural form of energy is energies.
the plural form of friction is friction
The plural form of the noun light is lights.The plural possessive form is lights'.
The plural form of moment is simply moments.
The plural form of the word "physics" is still "physics" as it is already a plural noun.
There is no plural form. Do and Do not are verbs
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "is" is "are."
The plural form of "was" is "were."
The plural form of "I" is "we."
"Groceries" is the plural form of "grocery."
"Beliefs" does not have a plural form, as it is already plural. Beliefs is the plural form of belief.
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.
The plural form of the demonstrative pronoun 'that' is those.
Trenches is the plural form.
The plural form is metres.