Acceleration due to gravity

  • Thread starter gimblet
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  • #1
gimblet
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Why do objects accelerate due to gravity?
 

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  • #2
turin
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It depends on the context. If you are talking first semester physics or something like that, then the acceleration is due to the force of gravity according to Newton's law: a = F/m. If you are talking more sophisticated as in general relativity, then objects accelerate because spacetime moves past them. The surface of the Earth accelerates upwards at a rate of about 10 m/s<sup>2</sup> with respect to spacetime.
 

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