Question

A simple pendulum is suspended from the roof of a trolley which moves in a horizontal direction with an accelaration a , then the time period is given by t = 2 pi sqrt ( l / g' ), where g' will be equal to ?

Answer 1

Answer:

The pendulum is suspended from the roof of a trolley which is moving in horizontal direction with accelerationa

Hence the force acting will be

F=mai−mgj

Let θ angle between the horizontal and vertical then

tanθ=

mg

ma

Then the value of g

′

=

g

2

+a

2