JEE Main & Advanced Physics Gravitation / गुरुत्वाकर्षण Question Bank Acceleration Due to Gravity

  • question_answer
    If radius of the earth contracts 2% and its mass remains the same, then weight of the body at the earth surface [CPMT 1997; KCET (Engg./Med.) 2001]

    A) Will decrease

    B)               Will increase

    C)             Will remain the same  

    D)             None of these

    Correct Answer: B

    Solution :

                    \[g\propto \frac{1}{{{R}^{2}}}\]. If radius of earth decreases by 2% then g will increase by 4% i.e. weight of the body at earth surface will increase by 4%


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