Tamilnadu BoardEnglish MediumSTD 10ScienceLaws of Motion1 Mark
Question
What is meant by free fall?
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Answer
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’. Here, the apparent weight (R = m (g – g) = 0) of the person is zero.
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