matter - hysical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy., gravity - the force that attracts a body towards the centre of the earth, or towards any other physical body having mass., energy - the strength and vitality required for sustained physical or mental activity., physics - the branch of science concerned with the nature and properties of matter and energy. The subject matter of physics includes mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms., force - strength or energy as an attribute of physical action or movement.,

Physics

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