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A man standing on a lift that is descending does not feel any weight because

Physics
JAMB 2011

A man standing on a lift that is descending does not feel any weight because

  • A. the inside of the lift is air tight
  • B. the lift is in vacuum
  • C. the lift's acceleration is same as acceleration due to gravity
  • D. there is no gravitational pull on the man in the lift
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Correct Answer: Option C
Explanation

The resultant force acting on the man is given by w = mg - R
Mg - mg = 0
The man feels weightless because the reaction, R is equal to the weight mg

There is an explanation video available below.

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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709