Year: 2020
Topic: Gravitation
Time :
1.
A body weighs \(72\,N\) on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?
(1). \(32\,N\)
(2). \(30\,N\)
(3). \(24\,N\)
(4). \(48\,N\)