If the radius of the earth suddenly decreases to 80% of its present value, the mass of…
Physics · JEE Advanced · NTA Exams — Gravitation
If the radius of the earth suddenly decreases to 80% of its present value, the mass of the earth remaining the same, the value of the acceleration due to gravity will
- remain unchanged
- become \(\frac{9.8}{0.64} m s^{-2}\)
- increase by 36%
- increase by about 56%
Answer
(B) become 9.8 0.64 m s^ -2, (D) increase by about 56%
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