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5 May, 15:37

Which has more potential energy: a book on the floor or the same book on a table? Explain your answer.

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  1. 5 May, 18:24
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    The same book on a table has more potential energy.

    Explanation:

    The potential energy of a body on Earth is defined as the energy possessed by the virtue of its heights.

    The equation for gravitation potential energy is given by

    P. E = mgh joules

    From the above equation it is evident that when there is a change in the value of 'h', there is a change in the value of P. E

    So, as per the above equation, the potential energy of book on floor

    P. E = m x g x 0 ∵ h = 0 at floor

    P. E = 0

    The same book on the table has some magnitude in 'h' greater than zero

    So, the same book on a table has more potential energy.
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