A person is standing in an elevator. In which situation he finds his weight less than actual wei...

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A person is standing in an elevator. In which situation he finds his weight less than actual weight \( \quad \) [AIIMS 2005]
(a) The elevator moves upward with constant acceleration
(b) The elevator moves downward with constant acceleration
(c) The elevator moves upward with uniform velocity
(d) The elevator moves downward with uniform velocity
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