Basic Ideas Flashcards
1
Q
7 Base quantities
A
time t second s length l metre m mass m kilogram kg temperature T Kelvin current I ampere A amount of substance n mole mol luminous intensity candela cd
2
Q
tera
A
10^12
3
Q
giga
A
10^9
4
Q
mega
A
10^6
5
Q
kilo
A
10^3
6
Q
deci
A
10^-1
7
Q
centi
A
10^-2
8
Q
milli
A
10^-3
9
Q
micro
A
10^-6
10
Q
nano
A
10^-9
11
Q
pico
A
10^-12
12
Q
femto
A
10^-15
13
Q
Vector
A
Quantity with magnitude and direction
14
Q
Scalar
A
Quantity with magnitude
15
Q
Vector examples
A
displacement velocity weight momentum current acceleration
16
Q
Scalar examples
A
distance speed mass energy density temperature
17
Q
Perpendicular Vectors
A
Draw rectangle
use a2+b2=c2 to find length
use tan to find angle
18
Q
Non-perpendicular vectors
A
Draw parallelogram
measure length and angle by hand
19
Q
Resolving vectors
A
Using SOHCAHTOA