plz solve this numerical

Asked by joshlin | 29th 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  | 29th Oct, 2009, 05:32: PM

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