Careful distinctions must be made between free fall and weightlessness using the definition of weight as force due to gravity acting on an object of a certain mass. Some upward resistance force from t...Careful distinctions must be made between free fall and weightlessness using the definition of weight as force due to gravity acting on an object of a certain mass. Some upward resistance force from the air acts on all falling objects on Earth, so they can never truly be in free fall.
Careful distinctions must be made between free fall and weightlessness using the definition of weight as force due to gravity acting on an object of a certain mass. Some upward resistance force from t...Careful distinctions must be made between free fall and weightlessness using the definition of weight as force due to gravity acting on an object of a certain mass. Some upward resistance force from the air acts on all falling objects on Earth, so they can never truly be in free fall.