# Biomechanic for kinesiology

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1. Define force
Push or pull
2. Define vector
Quantity of magnitude and direction
3. Define velocity
A vector that describes speed or displacement
4. Define scalar
Only describes magnitude
5. Define mass
Amount of matter body contains
6. Define inertia
Resistance to change
7. Define torque
Force will produce rotation around an axis
8. Define friction
Motion of one surface across another
9. What's newton first law of motion
Inertia
10. What's newton second law of motion
Acceleration depends on the strength of the force applied to an object
11. What's Newton's third law
Action reaction law
12. What's a linear force
Two or more forces acting the same plane
13. What's a concurrent force
Forces using a common point but push or pull in divergent directions
14. What's a resultant force
Net effect on two divergent forces
15. What's a force couple
Two or more forces acting in equal force but opposite directions
16. What is COG
Center if gravity about S2 when standing
17. What is BOS
body in contact with support structures
18. what is LOG
Line of gravity vertices lie passing through COG
19. What's is LOB
Loss of balance COG outside BOS
20. What is a first class lever and give an example
• FAR
• head in flexion and extension
21. What is class 2 lever and give an example
• ARF
• Ankle PF And flexion of the brachioradialis
22. What is a class three lever and give an example
• AFR
• Elbow flexion biceps brachii
23. What is an example of a fixed pulley for the human body
Lateral malleolus
24. There are many moveable pulleys in the human body true or false
False
 Author: Anonymous ID: 241046 Card Set: Biomechanic for kinesiology Updated: 2013-10-16 21:50:17 Tags: therex Folders: Description: Biomechanic for kinesiology Show Answers: