Laws Of Motion Question 310
Question: The elevator shown in fig. is descending with an acceleration of$ 2m/s^{2} $ . The mass of the block $ A=0.5kg. $ The force exerted by the block A on block B is
Options:
A) 2N
B) 4N
C) 6N
D) 8N
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ R=mg-ma=0.5\times 10-0.5\times 2=5-1=4N $
