Laws Of Motion Question 210
Question: A boy of 50 kg is in a lift moving down with an acceleration $ 9.8m{{s}^{-2}} $ . The apparent weight of the body is $ (g=9.8m{{s}^{-2}}) $ [EAMCET (Med.) 1995; Pb. PMT 1999; KCET 2000]
Options:
A)$ 50\times 9.8N $
B) Zero
C) 50 N
D) $ \frac{50}{9.8}N $
Show Answer
Answer:
Correct Answer: B
Solution:
Apparent weight $ =m(g-a) $
$ =50(9.8-9.8)=0 $
