JEE Main 2022 Physics question
If the radius of earth shrinks by 2% while its mass remains same. The acceleration due to gravity on the earth's surface will approximately
Answer: (D)
Solution
, so . With = −2%, = +4%. So g increases by 4%.
If the radius of earth shrinks by 2% while its mass remains same. The acceleration due to gravity on the earth's surface will approximately
, so . With = −2%, = +4%. So g increases by 4%.