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1

How is physics an experimental science?

It involves measurements and experiments

2

What would a pattern be?

a physical theory

3

What is a physical law?

A theory that held true

4

How should you solve a physics problem?

Find givens and what you need to find, set up the equations, execute by plugging numbers and solving, and evaluate the results

5

What are the 3 fundamental quantities of physics?

Length, time, and mass (meter, second, and kilogram)

6

What is the purpose of significant figures?

Finding uncertainty in a measument

7

What can scientific notation be useful for?

Indicating the number of significant figures

8

What is the rule for an even number followed by a 5?

It stays the same

9

What is the rule for an odd number followed by a 5?

it rounds up

10

When doing math, what kind of sig figs get priority?

The least number of sig figs. In addition/subtraction you use the least number of decimals

11

What is an order of magnitude?

A quick calculation for a general idea

12

How does an oder of magnitude work?

You compare 2 numbers in scientific notation to the square root of 10 and round

13

What is the square root of 10?

3.167

14

What is accuracy?

The closeness to a true value

15

What is precision?

The number of sig figs used

16

What is a scalar?

A quantity specified without direction

17

What is a vector?

A quantity specified that does have direction. It's specified as force and velocity

18

What are equal vectors?

Vectors with equal magnitude and direction

19

What is a negative vector?

A vector with opposite direction but the same magnitude

20

How do you add vectors graphically?

put them head to tail. They're commutative

21

How do you subtract vectors graphically?

Put them head to head

22

What is an accurate way to add vectors?

Trigonometyry

23

What is a unit vector?

A vector with a magnitude of 1 with no units. You use them with x/y/z to do cartesian coordinates

24

How does a scalar dot product work?

Foiling their unit vectors

25

What quantity usually serves as a vector's magnitude?

Length

26

What is the direction of a vector?

Its angle

27

What is the angle between 2 parallel vectors?

0 degrees

28

What is the angle between 2 antiparallel vectors?

180 degrees

29

How does multiplication with scalar quantities effect a vector?

It changes its magnitude but not direction. Direction is only changed when the scalar is negative

30

What is the Y component of a vector?

A x Sin (angle)

31

What is the X component of a vector?

A x Cos (angle)

32

How do you find the magnitude of angle A?

sqrt(Ax^2 + Ay^2)

33

How do you find the angle of a vector with its components?

arctan (Ax/Ay)

34

The components can be ____ or ____

Positive or Negative

35

What determines the signs of the components?

The angle

36

How do you add vectors with components?

You add the X and Y components, use the Pythagorean theorem, and then take the arctan of the components

37

What does ihat indicate?

The x components

38

What does jhat indicate?

The y components

39

What does khat represent?

The z components

40

What does the dot/scalar product provide?

A scalar result

41

What is the dot product formula?

Vector A x Vector B=AB x Cos (Chi)

42

When is the scalar product negative?

When the angle is larger than 90 degrees

43

What is the scalar product of 2 perpendicular vectors?

0

44

What is the component form dot product formula?

Vector A x B=AxBx + AyBy + AzBz