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.



NCERT Chapter Video Solution

Dual Pane