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
Correct Answer: Option D
Explanation
Wt loss = mg - m (g - a)
= 70 x 10 - 70 (10 - 1.5) = 105N
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