However, could air resistance be a factor? YES! When we dropped the crumpled paper and compared it to the flat paper - the crumpled up paper hit the ground first by a long shot. To further and confirm our findings, when we drop the basket ball, bouncy ball and bowling ball - they all hit the ground at the same time. Simultaneously, it has also increased its inertia, or resistance to the push/pull/force) And that's why all masses fall at the same rate. As the object increases its mass, it also increases its gravitational force (i.e. Could it be that different masses are not a factor? YES! Mass does not make a difference. But, we did find that the crumpled paper and flat paper hit the floor at different times. What we found was that each of the density cubes hit the ground at the same time - no matter what the mass. To the side is a short video explaining this equation and the variables associated with the force of gravity, and below is a diagram which the equation refers to. Note that the force never becomes zero no matter how far you travel. The distance is in the denominator because the force gets smaller when the distance gets bigger. The masses are in the numerator because the force gets bigger if they get bigger. The "r" below is the distance from the center of the planet. The two "M's" on top are your mass and the planet's mass. If we put this into an equation it would look like this: See the pattern? The force drops off with the square of the distance. Ten times the distance, one-hundredth the force. If you triple your separation, the force drops to one-ninth. If you double your distance from the planet, the force is one-fourth. On the other hand, the farther you are from the center of the planet, the weaker the pull between the planet and your body. If the planet you are standing on is twice as massive, gravity also pulls on you twice as hard. If you double your mass, gravity pulls on you twice as hard. First, it depends on your mass and the mass of the planet you are standing on. This force of gravity depends on a few things.
Your weight is a measure of the pull of gravity between you and the body you are standing on.
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