Answer: The chewing muscle, the masseter, is one of the
Chapter , Problem 27(choose chapter or problem)
The chewing muscle, the masseter, is one of the strongest in the human body. It is attached to the mandible (lower jawbone) as shown in Figure P8.27a. The jawbone is pivoted about a socket just in front of the auditory canal. The forces acting on the jawbone are equivalent to those acting on the curved bar in Figure P8.27b. F S C is the force exerted by the food being chewed against the jawbone, T S is the force of tension in the masseter, and R S is the force exerted by the socket on the mandible. Find T S and R S for a person who bites down on a piece of steak with a force of 50.0 N.
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