Laws Of Motion Question 249
Question: The spring balance inside a lift suspends an object. As the lift begins to ascent, the reading indicated by the spring balance will[DCE 2003]
Options:
A) Increase
B) Decrease
C) Remain unchanged
D) Depend on the speed of ascend
Show Answer
Answer:
Correct Answer: A
Solution:
When the lift moves upwards, the apparent weight, $ =m(g+a) $ . Hence reading of spring balance increases.
BETA
