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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
Wt loss = mg - m (g - a)
= 70 x 10 - 70 (10 - 1.5) = 105N
Source: Myschool Past Questions Archive (Record #27126)