JCECE Medical JCECE Medical Solved Paper-2002

  • question_answer
    Weightlessness experienced while orbiting the earth in space ships is the result of:

    A)  inertia          

    B)  acceleration

    C)  zero gravity    

    D)  centre of gravity

    Correct Answer: C

    Solution :

     A person feels weightlessness on a satellite. This is because the gravitational force exerted by the earth on the man is just equal to the necessary centripetal force there and the normal reaction between the foot of the man and the floor of the satellite becomes zero.


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