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AP Physics > AP Exam > Flashcards

AP Exam Flashcards

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AP® Physics flashcards Physics 101 flashcards
1
Q

Prefixes for SI units

A

nano (n) 10^-9
micro (mu) 10^-6
milli (m) 10^-3
centi (c) 10^-2
BASE
kilo (k) 10^3
mega (M) 10^6
giga (G) 10^9
Tera (T) 10^12

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2
Q

velocity

A

distance / time

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3
Q

average speed

A

total distance/total time

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4
Q

average acceleration

A

change in velocity/change in time

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5
Q

instantaneous acceleration from graph

A

find slope of tangent line from velocity v time graph

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6
Q

slope of position time graph

A

velocity

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7
Q

area under velocity time graph

A

displacement

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8
Q

slope of velocity time graph

A

acceleration

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9
Q

kinematic equations

A

vf=vi+at
x=vit+1/2at^2
x=vft-1/2at^2
vf^2=vi^2+2ax
x=1/2t(vf-vi)

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10
Q

(projectile motion) there is no acceleration in the

A

x-direction

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11
Q

Force of Gravity Equation

A

Fg=G(m1m2/r^2)
G= 6.67x10^-11

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12
Q

Weight Force Equation

A

Fw=mg

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13
Q

On forces on an incline what do you do with the sin/cos

A

flip them (sin=x, cos=y)

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14
Q

Force Equation

A

F=ma

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15
Q

a constant force provides ______

A

constant acceleration

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16
Q

if acceleration is 0, there is no

A

net force

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17
Q

apparent weight

A

magnitude of supporting contact forces

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18
Q

amount of work done depends on ______ and _______

A

magnitude of F and displacement of system

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19
Q

kinetic energy equation

A

k=1/2mv^2

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20
Q

spring potential energy

A

Us= 1/2kx^2

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21
Q

gravitational potential energy

A

Ug=mgh

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22
Q

Work equation

A

W=fx=k=u (no friction)

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23
Q

when acceleration is 0, work

A

is 0

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24
Q

rotational kinetic energy

A

kr=1/2Iw^2

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25
Q

law of conservation of energy

A

total initial energy=total final energy

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26
Q

Power equation

A

E/x=W/t=fv (velocity had to be consant)

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27
Q

unit for power

A

watt

28
Q

force and impulse equation

A

force=p/t

29
Q

impulse momentum theory

A

Ft=mv
J=change in momentum

30
Q

area under force time graph

A

change in momentum

31
Q

3 types of collisions

A
  1. elastic
    2.partially elastic
  2. inelastic
32
Q

elastic collision

A

ideal, when things bounce and energy is conserved

33
Q

partially elastic collision

A

energy in system is not conserved, hit bounce separate

34
Q

inelastic collision

A

run into and stick together, energy is not conserved

35
Q

momentum is conserved when

A

no outside force

36
Q

uniform circular motion makes acceleration directed toward the

A

center of the circle

37
Q

_______ is not constant in uniform circular motion

A

velocity (it is constantly changing directions)

38
Q

centripetal acceleration equation

A

a=v^2/r=(2pif)^2r=(2pi/T)^2r

39
Q

circular motion velocity

A

v=2(pi)(r)/T
v=2(pi)(r)(f)

40
Q

in circular motion, net force will either be provided by

A

tension, friction, or normal force

41
Q

an orbiting projectile is

A

in free fall

42
Q

rotational velocity

A

theta/time

43
Q

Angular acceleration

A

rotational velocity/time

44
Q

rotational kinematics

A

ωf=ωI+αt
ωf^2=ωi^2+2αθ
θ=ωit+1/2αt^2
θ=ωft-1/2αt^2
θ=1/2t(ωf+ωi)

45
Q

Centripetal force equation

A

Fc=ma=mv^2/r=4pi^2rm/T^2=4pi^2rmf^2

46
Q

centripetal acceleration

A

ac=v^2/r

47
Q

centripetal velocity

A

v=2pir/T

48
Q

tangent acceleration

A

a=rα

49
Q

tangent velocity

A

rω

50
Q

Newton’s law of gravitation equation

A

Fg=G(m1m2/r^2)

51
Q

G=

A

6.67X10^-11

52
Q

net torque equation

A

T=Iα

53
Q

moment of inertia for shell

A

mr^2

54
Q

moment of inertia for disk

A

1/2mr^2

55
Q

rotational kinetic energy equation

A

1/2Iω^2

56
Q

impulse momentum theory for rotational dynamics

A

Ft=mv
torque(t)=Iω
L=Iω

57
Q

mechanical wave

A

a wave that is an oscillation of matter, and therefore transfers energy through a material medium

58
Q

transverse wave

A

a wave in which the particles in the medium move perpendicular to the direction in which the wave travels

59
Q

longitudinal wave

A

the particles in the medium move parallel to the direction in which the wave travels

60
Q

linear density equation

A

mu=m/L

61
Q

Hooke’s law

A

Fs=-kx

62
Q

Nu equation SHM

A

ν=λf

63
Q

total energy in SHM

A

E=1/2kA^2=1/2m ω^2A^2

64
Q

period for SHM

A

T=2pi root m/s

65
Q

frequency for SHM

A

f=2pi^-1 root k/m

66
Q

Angular frequency shm

A

ω=theta/T=2pi/T=2pif

67
Q

period for a pendulum

A

T=2pi root l/g

AP Physics (1 decks)

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