1.

What is meant by free fall ?

Answer»

Solution :(i) When the PERSON in a lift moves down with an acceleration (a) equal to the acceleration DUE to gravity (g), i.e., when a=g, this motion is called as .free fall..
(ii) The apparent WEIGHT `(R = m (g-g) = 0)` of the person is zero. This condition or STATE refers to the state of weightlessness.


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