Definition
The natural force by which the mass of the Earth attracts every object toward its center, producing the sensation of weight and the constant downward acceleration of approximately 32.2 feet per second squared (1 G) experienced at the Earth's surface.
Plain English
The force that pulls everything down toward the ground. It's what gives objects their weight and what your body normally feels as 'down.'
Context Anchor
Seen in instrument flying discussions of posture and how the body senses upright, downward, and motion in flight.
Derivation
From the Latin gravitas, meaning 'weight' or 'heaviness.' The word captures exactly what gravity feels like — the heaviness of being pulled toward the Earth.
Why Pilots Care
It supplies the primary non-visual reference for vertical orientation; when visual cues disappear, misreading its effects produces spatial disorientation.
Grounding Statement
Standing still on the ground, the steady pressure you feel under your feet is Earth's gravitational pull acting on your body.
Intuition Check
Do not assume the pull you feel in flight always tells you which way is truly down. Aircraft motion can change the sensation, so pilots rely on instruments when body feelings and flight conditions do not match.
Example Sentence 1
Without lift to oppose Earth's gravitational pull, the aircraft would simply fall toward the ground.
Example Sentence 2
The inner ear senses tilt by detecting how the head moves relative to Earth's gravitational pull during coordinated turns.