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Standard XII
Physics
Question

A man weighing 65 kgf is in a lift that is ascending with a uniform acceleration that is equal to the acceleration due to gravity. His apparent weight in the lift will be
  1. zero
  2. 65 kgf
  3. 32.5 kgf
  4. 130 kgf

A
65 kgf
B
130 kgf
C
zero
D
32.5 kgf
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Solution
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Answer:− D option
see second figure:-
apparant weight (W)=2mg
W=2×65=130kgf

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