A simple pendulum hanging from the ceiling of a stationary lift has a time period T1. When the lift moves downward with constant velocity, the time period is T2, then
A
T2 is infinity
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
T2> T1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
T2< T1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
T2 = T1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D
T2 = T1
As the lift moves down with constant velocity, the effective acceleration due to gravity remains the same i.e., g so the time period remains the same!