anonymous
  • anonymous
Anna needs to move a box of paperback books across the room. If she applies a force of 20 newtons to the box, what is the magnitude of the force exerted by the box on Anna?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
According to Newton's third law, any object exerting force against anything will receive the same amount of force that the object is exerting.
anonymous
  • anonymous
Since she applies 20 N of force to the object, the same amount of force, 20 N is being exerted to Anna.
rvc
  • rvc
yes it must be 20N

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anonymous
  • anonymous
We have Newton to thank for. So when the apple hit Newton's head newton's head exerted the same force to that apple.
anonymous
  • anonymous
Take this example. On a frictionless surface a boy and a girl are on two different skateboard. When either pushes the other both will move for equal distance from the reference point.
anonymous
  • anonymous
Or let's say there are two people on ice horseplaying and one kicks the other with one food then both guys will move for equal distance assuming no irregularities on ice
anonymous
  • anonymous
20

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