# Chapter 17 - Chapter 17 Blunt Trauma Blunt trauma injury...

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Chapter 17: Blunt Trauma Blunt trauma - injury caused by the collision of an object w/the body in which the object does not enter the body. Blunt trauma is the most common cause of trauma death and disability. Exsanguination - the draining of blood to the point at which life cannot be sustained. Kinetics of Blunt Trauma - the branch of physics that deals w/motion, taking into consideration mass and force. Inertia - tendency of an object to remain at rest or remain in motion unless acted upon by an external force. o 1 st part of Newton’s Law of Inertia - “A body in motion will remain in motion unless acted upon by an outside force” Motion- the process of changing place; movement o 2 nd part of Newton’s Law of Inertia- “A body at rest will remain at rest unless acted upon by an outside force. Conservation of Energy o Law of Conservation of Energy - “Energy can neither be created nor destroyed. It only changes from one form to another” Energy- the capacity to do work in the strict physical sense. Kinetic Energy- the energy an object has while it is in motion. It is related to the object’s mass and velocity.

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o Mass- a measure of the matter that an object contains; the property of a physical body that gives the body inertia.
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