When a body is lifted to twice earth's radius above the surface of the earth, the value of g decreases by:
Correct answer: D. Nine times
- A. Two times
- B. Three times
- C. Six times
- D. Nine times
Explanation
D is correct. g= GM/r 2 , as the distance is increased from R to 3R so g' will be =GM/9r2 As a result g' will be 9 times less than g.
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