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Q11. A person has a mass of 70 kg. What is this person's weight? What is the force that this person exerts onto the Earth? What is the Earth's acceleration because of this person?

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Answer:

[tex]weight = mg \\ = 70 \times 10 \\ = 700 \: newtons[/tex]

[tex]force = 700 \: newtons[/tex]

[tex]force = mass \times acceleration \\ 700 = 70 \times a \\ a = 10 \: {ms}^{ - 2} [/tex]

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