Physics Flashcards
1
Q
length (CGS)
A
centimeter (cm)
2
Q
mass (CGS)
A
gram (g)
3
Q
force (CGS)
A
dyne (dyn)
4
Q
time (CGS)
A
second (s)
5
Q
work and energy (CGS)
A
erg
6
Q
power (CGS)
A
erg/second
7
Q
length (SI)
A
meter (m)
8
Q
mass (SI)
A
kilogram (kg)
9
Q
force (SI)
A
newton (N)
10
Q
work and energy (SI)
A
joule (J)
11
Q
power (SI)
A
watt (W)
12
Q
length (FPS)
A
foot (ft)
13
Q
mass (FPS)
A
slug (sl)
14
Q
force (FPS)
A
pound (lb)
15
Q
time (FPS)
A
second (s)
16
Q
work and energy (FPS)
A
foot-pound (ft* lb)
17
Q
power (FPS)
A
foot-pound/sec
18
Q
engstrom value
A
1 A= 10^-10 m
19
Q
nanometer
A
10^-9 m
20
Q
electronic volt (eV)
A
1.6 x 10^-19 V
21
Q
10^9
A
giga G (or B)
22
Q
10^6
A
mega (M)
23
Q
10^3
A
kilo (k)
24
Q
10^-2
A
centi (c)
25
10^-3
milli (m)
26
10^-6
micro
27
10^-9
nano (n)
28
10^-12
pico (p)
29
what is the mantissa in:
| 123= 1.23 x 10^2
1.23
30
what is the exponent in:
| 123= 1.23 x 10^2
2
31
sin (theda)
y/h or opp/hypotenuse
32
cos (theda)
x/h or adjacent/hypotenuse
33
tan (theda)
y/x or opp/adjacent
34
scalars
numerical quantities that have magnitude but no direction
35
vectors
quantities with magnitude and direction
36
vector quantity notation
boldface or arrow
37
resultant
the sum of 2 or more vectors
38
displacement
aka delta x
| - the change in position of an object
39
average velocity
v= delta v/ delta t
40
instantaneous velocity
velocity at a single instant of time
| v= lim (x--> 0) delta x/ delta t
41
average speed
s= d/t
42
acceleration
rate of change of an object's velocity
| a= delta v/ delta t
43
instantaneous velocity
a= lim (x--> 0) delta v/ delta t
44
acceleration due to gravity
9.8 m/s^2
45
what type of quantity is acceleration?
vector
46
what time of quantity is velocity?
vector
