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_________________________________ -the smallest contractile unit of muscle; extends from one Z disc to the next

________-toward the head or upper body region

Identify and click on the rectus femoris.

________________-internal layer of skeletal bone

____________-a bundle of axons in the peripheral nervous system

Question: Answer the following question. LO 10d: What values are needed to find the radius of gyration and what units will the radius of gyration have in the SI system? Justify your response.

_________________________________ -relating to the limbs; one of the two major divisions of the body

Problem: Use the figure below to answer the following question.  Assume the box weighs 4 N. LO 11a: Complete the table below as you use the Principle of Virtual Work to find the coefficient of friction required to maintain equilibrium (at the breakaway point). Assume the box moves a virtual distance of

Question: Answer the following question. LO 11a: What is the Principle of Virtual Work? Describe its purpose is and how you would apply it to a system in equilibrium (like the one shown in Question 12 below).

_________________________________ – automatic reaction to stimuli