CBSE Class 9 Answered
plz solve this numerical
Asked by joshlin | 29 Oct, 2009, 04:24: PM
Expert Answer
A body experiences the condition of weightlessness in a freely falling lift.
If the lift is falling freely under gravity, its acceleration, a =g.
so, the apparent weight of the man ( or the force which the body exerts on floor )
R = m ( g - a )
or,
R = m ( g - g )= 0
Answered by | 29 Oct, 2009, 05:32: PM
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