How do I know the force due to gravity is actually 5n? I plug it into check my answer and I keep getting something other then 0. How can I calculate the force due to gravity? What about normal force?
Thanks for the response! I am not sure where to start with finding the horizontal forces. The y vector component 5sin(angle)?? When I make the two right triangles, I cut the 75 in half correct?
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...