Laws Of Motion Question 174
Question: In the above problem, if the lift moves up with a constant velocity of 2 m/sec, the reading on the balance will be [NCERT 1977]
Options:
A) 2 kg
B) 4 kg
C) Zero
D) 1 kg
Show Answer
Answer:
Correct Answer: A
Solution:
The lift is not accelerated, hence the reading of the balance will be equal to the true weight. $ R=mg=2g\ Newton $ or 2 N
BETA
