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Help to understand Newtons Law
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[QUOTE="urbano, post: 4962408, member: 452318"] [h2]Homework Statement [/h2] I am trying to understand a diagram I have of a gymnast hanging from a bar. She weighs 50kg and is not swinging, just hanging. In the diagram it has her weight as 500N (using 10/m/s/s for gravity * 50kg) but the bar she is hanging from has an upward arrow with 550 N next to it. I interpret this to mean that the bar is exerting 550N of upward force against the gymnast. However I thought for every action there is an opposite reaction. Wouldn't this mean the bar is only exerting 500N up from the gymnast given here downward force is 500N ? The object of the diagram is for people to interpret the net force on the gymnast. [h2]Homework Equations[/h2] 550N - 500N = 50N or 500N - 500N = 0N [h2]The Attempt at a Solution[/h2] [/QUOTE]
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