# Physics

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The flashcards below were created by user ECCammi on FreezingBlue Flashcards.

1. Length/ distance
meters (m)
2. Mass
Kilograms (kg)
3. Velocity
Meters per second (m/s)
4. Acceleration
Meters per second squared (m/s2)
5. Momentum (p)
kilogram times meters second squared (kg x m/s2)
6. Force
Newton (N)
7. Work
Jule (J)
8. Weight
Newton (N)
9. Time
Second (s)
10. Convert 60km per hour to SI units.
• 60km = 1km = 1000m = 16.7m
• 1 h 1 min 1 min 1 sec
11. Express in scientfic notation: 17,000,000
1.7 x 107
12. Express in scientfic notation: .00000089
8.9 x 10-7
13. Newton's first law
• The Law of Inertia:
• A soccer ball at rest in a field
• Objects at rest stay at rest: Every object in a state of uniform motion tends to remain in that state of
• motion unless an external force is applied to it.
14. Newton's Second Law
• Force and acceleration
• Soccer ball being kicked
15. Newton's Thrid Law
• Action and Reaction
• For every force there is an equal and opposite reaction
16. Velocity and Acceleration
• V: Speed together with direction of motion
• A: Rate at which velocity is charging. May be magnitude, direction or both.
• Both are vectors
17. Law of Conservation and Momentum
• In the absence of a net external force the momentum of an object or system of objects is unchanged.
• (Object at rest stays at rest)
18. Impulse-momentum theorem
Impulse= change in momentum
19. Elastic collision
Two projectiles bounce off each other; apart/ seperation
20. Inelastic collisions
Projectiles hit and stick; same velocity after collision
21. Projectile motion
Can be vertical or horizontal
22. Circular Motion
• Rotation: Object goes around itself
• Revolution: Goes around something else

### Card Set Information

 Author: ECCammi ID: 127723 Filename: Physics Updated: 2012-01-14 05:35:07 Tags: Semester one notes Folders: Description: Not as many as I thought... Show Answers:

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