Q. Astronaut is in a stable orbit around the earth when he weighs a body of mass 5 kg. What is reading of spring balance?
A) Spring will not be extended
B) Spring will be extended according to Hook’s law
C) Less than 5 kg-wt
D) More than 5 kg-wt
Explanation
(a) As there is no gravity in space so spring will not be extened.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.