Unit 1 - Units, Measurements, Relationships and Analysis
Graphs with relationships such as linear, no relationship, inverse, exponential, and square root. Unit one covered how to do basic conversions between units, and how to decipher graphs. We also went over some definitions like
Precision: the consistency of measurements
Accuracy: The closeness of a measurement to the correct value
Independent variable: unaffected by other variables
Dependent variable: affected by the independent variable
Scalar: a quantity that has magnitude
Vector: a quantity that has magnitude and direction
Acceleration: average velocity/time
All motion is relative!
d=1/2at^2+Vit
V=Vi+at
V^2=Vi^2+2ad
Unit 3 - Acceleration
Graphing rules:
-the slope of a position vs time graph is velocity
-the slope of a velocity vs time graph is acceleration
-the area under the "curve" of a velocity vs time graph is displacement
Word Problem answer format:
-rewrite the question
-write down givens DATVVi
-make a sketch, include axes
-choose which equation
-plug n' chug
-box answer
-check!
Unit 4 - Projectile Motion
What happens in Vegas the axes, stay in Vegas the axes.
Always remember that the axes are independent!
Parabolic motion: when an object is at the same level, moving at the same velocity
And now for trig...
-SOHCAHTOA-
Vectors are equivalent if they have the same magnitude and direction.
Pythagorean Therom: a^2+b^2=c^2
Bureku Technique
-Break up all diagonals (because we hate them) into x and y
-add all the values together, remembering that axes are independent
-UKERUB (put them together)
Force: a push or pull, vector quantity.
equilibrium: balanced
Normal force: supporting force that is perpendicular to the surface an object is on
Newton's Laws:
1. Inertia
Object in motion/at rest will tend to stay in motion/at rest unless acted upon by an unbalanced, outside force
2. Acceleration
The acceleration of an object is directly proportional to the net force of the object and inversely proportional to an objects mass (Fnet=ma)
3. Action&Reaction
The every force, there is an equal and opposite force. Equal in magnitude, opposite in direction.
A few things that I found enjoyable about physics so far would be the review sessions we have with the remotes. I find that's a really good way for me to contribute to class without necessarily having to talk much.
One challenge for me in physics would be staying awake during class. (Sorry Mr. Blake. No insult to your teaching abilities, just commentary on my inability to wake up early.)
No offense taken. Iʻll just be sure to talk a lot louder or do some other things to make sure that you are up. You have been doing a great job and keep up the great work.
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