Laws Of Motion Question 62
Question: The mass of a body measured by a physical balance in a lift at rest is found to be m. If the lift is going up with an acceleration a, its mass will be measured as[MP PET 1994]
Options:
A) $ m( 1-\frac{a}{g} ) $
B) $ m( 1+\frac{a}{g} ) $
C) m
D) Zero
Show Answer
Answer:
Correct Answer: C
Solution:
Mass measured by physical balance remains unaffected due to variation in acceleration due to gravity.
