ch 7 - Biomechanics chapter 7 Study online at...

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1. Equilibrium external net force (linear) / torque (angular) acting on an object is zero. 2. 1. at rest 2. moving with a constant velocity (0 accel.) During equilibrium, objects are either _________ or _____________ 3. static equilibrium system is in linear and rotational equilibrium and possesses zero linear or rotational velocity 4. dynamic equilibrium system is in motion, but is experiencing no change in velocity or direction. 5. static ____ equilibrium is not moving 6. dynamic _____ equilibrium has movement present; in a constant state of motion 7. Stability resistance to having equilibrium disturbed 8. Balance ability (conscious effort) to control the current state of equilibrium 9. more resistance to forces / torque that attempt to disrupt equilibrium (the harder to change motion) More stability= 10. Balance ____ is a neuromuscular reference 11. stability _____ is a mechanical term 12. stable equilibrium an object that requires a large force or torque to disrupt its current position.
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