A simple pendulam of length l is suspended from the ceiling ofa moving lift. Find the time period of the pendulam when the lift is going up with accelerationF. [Hint: Bring the pendulam to rest by applying inertia force (D' Alembert's principle) and consider its motion in this condition.]

A simple pendulam of length l is suspended from the ceiling ofa moving

1.	A simple pendulam of length l is suspended from the ceiling ofa moving lift. Find the time period of the pendulam when the lift is going up with accelerationF. [Hint: Bring the pendulam to rest by applying inertia force (D' Alembert's principle) and consider its motion in this condition.]
Answer» ANSWER :`T=2pisqrt(L//(g+f))`