• Question: is there a certain amount of gravity on Earth?

    Asked by emmaleung to Claire, Kate, Matt, Rob, Sam on 21 Jun 2013.
    • Photo: Sam Geen

      Sam Geen answered on 21 Jun 2013:

      Yep. Gravity on Earth’s surface is about 9.8 m/s^2 (metres per second squared).

    • Photo: Robert Woolfson

      Robert Woolfson answered on 21 Jun 2013:

      What Sam said. The mass of the earth is constant (give or take) and so the strength of the earth’s gravity is constant and will stay the same unless the earth suddenly gets a lot heavier or lighter.

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