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Ewiges00
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Homework Statement
Due to a jaw injury, a patient must wear a strap (see the figure) that produces a net upward force of 5.00 N on his chin. The tension is the same throughout the strap.
To what tension must the strap be adjusted to provide the necessary upward force?
Homework Equations
[tex]\Sigma[/tex]F=O??
The Attempt at a Solution
I already know the answer its 3.15 N I can't figure out how to get it though. I'm assuming its a equilibrium problem and if it needs an upward force of 5N the force due to gravity would also be 5, right?