Banking Physics Wave Mechanics Question Bank Mechanics

  • question_answer If the earth rotates faster than its present speed, the weight of an object will

    A)  increase at the equator but remain unchanged at the poles

    B)  decrease at the equator but remain unchanged at the poles  

    C)  remain unchanged at the equator but decrease at the poles

    D)  remain unchanged at the equator but increase at the poles

    Correct Answer: B

    Solution :

     \[g'=g-{{\omega }^{2}}R{{\cos }^{2}}\lambda .\]


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