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    AuthorComment
    Joey
    Student

    Minot Consolidated School
    Minot, Maine
    11/4/2004 3:35:53 PM
    Gravity
    Why does the Earth have a gravitational field around it?
    Marcus
    Student

    Minot Consolidated School
    Minot, Maine
    11/15/2004 1:48:18 PM
    Re: Gravity
    its mass
    Neil
    Student

    Minot Consolidated School
    Minot, Maine
    11/15/2004 1:48:23 PM
    Re: Gravity
    to hold you down or it just does
    Sandy Ferland
    Teacher

    Minot Consolidated School
    Minot, Maine
    11/17/2004 10:15:50 AM
    Re: Gravity
    Hi, Joey--Gravitational force is caused by the orbiting of the Earth around the sun. The orbit is a combination of gravitational pull and centripetal force.


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