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Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards...

Physics
JAMB 2013
Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms-2.

[g = 10ms-2]
  • A. 686N
  • B. 595N
  • C. 581N
  • D. 105N
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Correct Answer: Option D
Explanation
Wt loss = mg - m (g - a)

= 70 x 10 - 70 (10 - 1.5) = 105N

There is an explanation video available below.

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