Answer to Question #282217 in Physics for Jen

Question #282217

A person has a mass of 70 kg. What is this persons weight? What is the force that this person exerts onto earth? Why is the earths acceleration because of this person?


1
Expert's answer
2021-12-23T10:48:36-0500

The weight is

W=mg=70•9.8=686 N.

The force that person exerts on earth is 686 N as well.

The earth's acceleration is zero because it already touches the person.



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