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    Question

    Amaninsideanartificial satellitefeels

    weightlessnessbecausetheforceofattraction due to earth is –
    A zero at that place Correct Answer Incorrect Answer
    B is balanced by the force of attraction due to moon Correct Answer Incorrect Answer
    C equal to the centripetal force Correct Answer Incorrect Answer
    D non-effective due to particular design of the satellite Correct Answer Incorrect Answer

    Solution

    Earth attracts all bodies towards itscentre.Theaccelerationproducedinthebody duetoattractionforceofearthonitiscalledthe accelerationduetogravity.Aastronautina satelliteexperiencesweightlessnessbecausetwo forcesactonhim:gravitationalpullandcentrifugalforcewhichcancelouteachother with the resultant force acting on him being zero.

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