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Yes, it does. Earth has a gravitational force equal to 9.8m/s2. In fact, anything that has mass has it's own gravitational force, though you certainly wouldn't be able to notice this occurring between yourself and other objects in your day-to-day life. This is because the force that your body exerts (or the force exerted by your cat, your car, a large ship, etc) is so small, you cannot perceive it.

For example, if you were sitting beside your cat, at a distance of 10 cm, and if you weighed 50kg and your cat weighed 5kg, the gravitational force between the two of you would be 0.0000016675N; You would be "accelerating" towards your cat at 3.33x10-8m/s2, and your cat would be "accelerating" towards yourself at 3.33x10-7m/s2. Since this force is so small, it would not be perceivable, and other forces (such as the downward force of gravity exerted on you and your cat by the Earth, the force of friction between yourself and whatever you are sitting on, and the force of friction between your cat and whatever your cat is sitting on) would likely be significantly stronger, thereby cancelling out the gravitational force between yourself and your cat.

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13y ago

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