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Answer: On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects. ... Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second.
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On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects. ... Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second.
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