Laws Of Motion Question 242

Question: Mass of a person sitting in a lift is 50 kg. If lift is coming down with a constant acceleration of 10 m/sec2. Then the reading of spring balance will be (g=10m/sec2) [RPET 2003; Kerala PMT 2005]

Options:

A) 0

B) 1000N

C) 100 N

D) 10 N

Show Answer

Answer:

Correct Answer: A

Solution:

R=m(ga)=0



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