Complex sentence: Standard gravity, usually denoted by "g" 0 or "g" n, is the nominal acceleration due to gravity at the Earth's surface at sea level, defined to be precisely 9.80665 m/s 2 (approx.32.174 ft/s 2).
Split into simpler sentences: Standard gravity, usually denoted by "g" 0 or "g" n, is the nominal acceleration due to gravity at the Earth's surface at sea level. It is defined to be equivalent to precisely 9.80665 m/s 2 (approx.32.174 ft/s 2).