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6. If there is an equal retarding and propulsion phase, what is it called?
- Steady state
- Propulsion gait
- Slowing gait
7. What is the coefficient of static friction?
- When two objects are not moving relative to one another
- When 2 objects are moving relative to each other
8. How does the shape of GFR curves differ in walking and running?
- They are similar
- Running is more spaced out
- Walking is more spaced out
- They have completely different shapes
9. What is the max posterior force during walking gait?
- 0.75 bw
- 0.25 bw
- 0.5 bw
- 0.2 bw
10. What equation represents the law of acceleration?
- F.t = mv
- F.t = mv/t
- F = (m2v2-m1v2)/t
- F.t = ∆mv
11. What acts parallel to where 2 surfaces contact during the motion of one surface relative to another?
- Instant of motion
- Friction
- Momentum
12. What is the maximal medial force in running?
- 0.75 bw
- 0.25 bw
- 0.5 bw
- 1 bw
13. What is commonly used to measure force in gait analysis?
- Eye tracking
- Force platform
- Electromyography
- Video analysis
14. What is frictional force dependant on?
- Normal reaction force (F) and coefficient of friction
- Normal reaction force and mass of objects
- Normal reaction force and surface
15. If the propulsion phase is larger than the retarding phase, what is the gait called?
- Propulsion gait
- Slowing gait
- Steady state
16. On initial contact, what direction is the force in running?
- Posterior movement
- Anterior movement
17. Is there a heel strike in fore foot strikers?
18. The coefficient of friction is the amount of interaction between 2 materials/objects
19. What is the maximal medial force during walking?
- 0.1 bw
- 0.3 bw
- 0.2 bw
- 0.25 bw
20. What is usually smaller, coefficient of static friction or dynamic friction?
- Dynamic friction
- Static friction
- Depends