Question

A seconds pendulum is placed in a space laboratory orbiting around the Earth at a height 3R from the Earth’s surface where R is the radius of the Earth. The time period of the pendulum will be……..

(a) zero 

(b) 2/3s 

(c) 4 s 

(d) infinite

Answer 1

(d) infinite

In a space laboratory g = 0. Therefore,