The motion of a body under the influence of gravity alone is called a free fall.
NCERT Class 11 Physics
Gravitation
CBSE EXAM 2024-25
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Free fall refers to the motion of a body under the influence of gravity alone. If we ignore air resistance or friction, the fall of a body in air can be considered free fall. However, in reality, a body only falls freely in a vacuum. For a small, heavy body in air, the effect of air resistance is minimal, so its motion can be approximated as free fall.