GRAVITY, FORCE TOWARDS THE CENTRE OF THE EARTH, MASS, THE AMOUNT OF MATTER IN AN OBJECT, ISAAC NEWTON, SCIENTIST WHO DISCOVERD GRAVITY, EARTH, PLANET WITH GRAVITY TO ITS CENTRE, MOON, IT HAS LESS OR NO GRAVITY, KILOGRAM, THE UNIT OF MASS, NEWTON, THE UNIT OF WEIGHT, FORCE METER, INSTRUMENT TO MEASURE WEIGHT, WEIGHT, OUR _______ IS CAUSED BY THE PULL OF GRAVITY, NEWTON METER, ANOTHER NAME FOR FORCE METER

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