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Question

Weightlessness is a condition in which effective of the body becomes .

A
mass
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B
weight
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C
zero
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D
9.8 N
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Solution

The correct options are
B weight
C zero
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(gg)=0) of the person is zero. This condition or state refers to the state of weightlessness.

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