AP Physics 1 Flashcards
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| 6693307429 | Motion Equation (constant acceleration) Only velocity and acceleration | *speed up or slow down *acceleration is how quickly velocity changes |  | 0 |
| 6693307430 | Motion Equation (constant acceleration) no final velocity given | *speed up or slow down *most often used for projectile motion |  | 1 |
| 6693307431 | Motion Equation (constant acceleration) no time given | *speed up or slow down m/s m m/s/s |  | 2 |
| 6693307432 | Motion Equation (constant acceleration) no acceleration given | *speed up or slow down meters m/s seconds |  | 3 |
| 6693307433 | Newton's Second Law | *vector addition *right-left=ma or up-down=ma ***one of the above equations acceleration=0 *****watch direction for a***** *mass is measured in kg |  | 4 |
| 6693307434 | Newton's 3 Laws | 3rd law means forces are equal and opposite |  | 5 |
| 6693307435 | Weight | *depends on location and planet * Force is weight measured in Newtons *mass is m measured in kg *g is acceleration due to gravity (9.8 for Earth) |  | 6 |
| 6693307436 | Force of static Friction | *from freebody diagram *Normal comes from up-down=ma equation *Newtons *coefficient is unitless |  | 7 |
| 6693307437 | Force of kinetic friction | *depends on materials and normal force acting on object *Normal comes from up-down=ma equation *Newtons *coefficient is unitless |  | 8 |
| 6693307438 | Work | *carrying a book across a room is not work *to do work the force must be parallel to displacement *friction does negative work Joules |  | 9 |
| 6693307439 | Work-Energy Theorem | *Work is the change of kinetic energy *object speeding up or slowing down *option to Newton's 2nd Law approach Joules |  | 10 |
| 6693307440 | Hooke's Law (springs) | F= force stretching or compressing a spring(N) k= spring constant/force constant (N/m) x= how much spring is stretched or compressed (m) *F=ma |  | 11 |
| 6693307441 | Elastic Potential Energy for a spring | U= potential energy (Joules) k= spring constant / force constant (N/m) x= how much spring is stretched or compressed (m) *Use in conservation of energy U+K=U+K |  | 12 |
| 6693307442 | Gravitational Potential Energy | U= potential energy (Joules) m= mass (kg) g=acceleration due to gravity (-9.8 Earth) y= vertical position from bottom (not ground) *swinging objects *roller coasters *used in conservation of energy U+K=U+K |  | 13 |
| 6693307443 | Conservation of Mechanical energy | *one object *use for swinging objects, springs, roller coasters *potential loss is kinetic gained |  | 14 |
| 6693307444 | conservation of energy with friction | Object moving with friction *energy at one time = energy at later time + work done by friction U+K=U+K+W |  | 15 |
| 6693307445 | Power | rate of energy change Watts |  | 16 |
| 6693307446 | energy from power | Energy= power * time Joules |  | 17 |
| 6693307447 | radial/ centripetal acceleration | change direction acceleration m/s/s |  | 18 |
| 6693307448 | total acceleration | no angular acceleration m/s/s *object speeding up/slowing down and turning |  | 19 |
| 6693307449 | linear/tangential velocity for circular motion | T is period= time for one complete circle x=vt where x is circumference m/s |  | 20 |
| 6693307450 | conversion for linear and angular velocity | v=velocity (m/s) w=angular velocity (rad/s) r= radius (m) |  | 21 |
| 6693307451 | conversion for linear and angular acceleration | a= acceleration m/s/s alpha= angular acceleration rad/s/s r= radius (m) |  | 22 |
| 6693307452 | angular momentum (something going in a circle like a spinning ice skater) | L= angular momentum kgm^2/s I= rotational inertia kgm^2 w=angular velocity rad/s *when ice skater brings arms in I decreases which increases w |  | 23 |
| 6693307453 | net torque for system | torque (Nm) I= rotational inertia (kgm^2) angular acceleration (rad/s/s) *object like a see saw speeding up or slowing down but going in a circle |  | 24 |
| 6693307454 | Rotational Kinetic energy | *object turning like a spinning wheel K= kinetic energy (joules) I= rotational inertia (kgm^2) w= angular velocity (rad/s) |  | 25 |
| 6693307455 | Universal Gravitational Potential Energy | object with a planet U= potential energy (Joules) G=6.67x10^-11 r=distance center to center (m) m=mass (kg) |  | 26 |
| 6693307456 | acceleration due to gravity | g= m/s/s acceleration due to gravity M = Mass of planet (kg) r = distance from the center of the plant to object location (m) |  | 27 |
| 6693307457 | position as a function of time for simple harmonic motion (mass on spring) | RADIAN MODE x=position (meters) A= amplitude (meters) f=frequency (Hz) |  | 28 |
| 6693307458 | angular frequency for mass on spring | w = angular frequency (rad/s) k=spring/force constant (N/m) m= mass (kg) |  | 29 |
| 6693307459 | frequency for simple harmonic motion | f=frequency (Hz) T=period (s) w=angular frequency (rad/s) *use parenthesis in calculator |  | 30 |
| 6693307460 | Period of a mass on a spring | *doesn't change if you go to a different planet *period is time for one complete cycle *use parenthesis in calculator T= period (s) m= mass (kg) k= spring/force constant (N/m) |  | 31 |
| 6693307461 | Period of an simple pendulum | *depends on planet/ location *period is time for one complete cycle (s) *L is length of string (m) *g is 9.8 for Earth |  | 32 |
| 6693307462 | momentum | vector! Watch sign for VELOCITY |  | 33 |
| 6693307463 | impulse | vector! change of direction means double the impulse WATCH SIGN for VELOCITY |  | 34 |
| 6693307464 | kinetic energy | scalar, never negative if you are moving you have kinetic energy |  | 35 |
| 6693307465 | constant angular velocity | w= angular velocity (rad/s) angular displacement (rad) |  | 36 |
| 6693307466 | universal law of gravitation | F = force (equal and opposite on masses) G=6.67x10^-11 m = mass (kg) r = distance center to center (m) Force = mg or ma or mv^2/r |  | 37 |
| 6693307467 | Coulomb's Law (force between charges) | F= force equal and opposite on charges (N) k=9x10^9 q=charge (C) r = distance center to center *opposite signs attract *like signs repel |  | 38 |
| 6693307468 | current | *direction is from positive side of battery towards negative sign of battery I= current (Amps) q= charge (C) t = time *flow of charge through a cross sectional area of wire *equal in series (one pipe=one current) |  | 39 |
| 6693307469 | resistance | R= resistance (ohms) resistivity (ohm meters) L=length (m) A= cross-sectional area (circle for wires) (m^2) *Longer the wire the more the resistance *the greater the area the smaller the resistance |  | 40 |
| 6693307470 | power | rate of energy dissipated by resistor or rate of energy converted by battery *P= power (watts) *I= current (amps) *V= electric potential difference (volts) |  | 41 |
| 6712577435 | Voltage | The ratio of energy gained or lost per unit charge Ue/q | 42 | |
| 6693307471 | resistors in series | longer means increased resistance *one path/ one pipe/ one *current is equal *voltage adds up |  | 43 |
| 6693307472 | resistors in parallel | *multiple paths/ more pipes/two finger rule *voltage is equal *current adds up |  | 44 |
| 6693307473 | adding resistors in series and parallel |  | 45 | |
| 6693307474 | wave speed | v= wave speed (m/s) f=frequency (Hz) wavelength (m) *deceiving equation , wave speed only depends on medium |  | 46 |
| 6693307475 | slope of a position vs time graph | v=x/t velocity | 47 | |
| 6693307476 | slope of a velocity vs time graph | a= change of v/time acceleration | 48 | |
| 6693307477 | area of a velocity vs time graph | x=vt displacement | 49 | |
| 6693307478 | slope of a force vs acceleration graph | m=F/a mass | 50 | |
| 6693307479 | area of a force vs time graph | Ft= impulse= change of momentum | 51 | |
| 6693307480 | area of a force vs displacement graph | Fx=work= change of kinetic energy | 52 | |
| 6693307481 | slope of a force vs stretch graph | k=F/x spring constant or force constant | 53 | |
| 6693307482 | force of friction | another force for freebody Normal comes from freebody |  | 54 |
| 6693307483 | Newton's 2nd Law Practice | split tension Fcos (angle)- f =ma N +Fsin(angle)-mg=0 |  | 55 |
| 6693307484 | conservation of momentum | use for collisions momentum before + momentum before = momentum after +momentum after |  | 56 |
| 6693307485 | Elastic collisions | *conserve momentum and kinetic energy *magnetic bumpers with carts |  | 57 |
| 6693307486 | Inelastic collisions | *This is what you assume unless told otherwise *conserve momentum not kinetic energy *objects do not have to stick together |  | 58 |
| 6693307487 | completely inelastic collisions | *conserve momentum only *objects stick together *Velcro with carts |  | 59 |
| 6693307488 | angular displacement | radians rad/s rad/s/s |  | 60 |
| 6693307489 | speeding up/slowing down angular velocity | rad/s rad/s/s |  | 61 |
| 6693307490 | torque (twisting force) | *See Saw/ levers *demo with trying to hold up bar with hanging masses torque (Nm) r is distance from pivot point to force (m) force must be perpendicular (N) |  | 62 |
| 6693307491 | change of angular momentum | change of angular momentum (kgm^2/s) torque (Nm) time (s) *if there is a torque object speeds up or slows down which changes its angular momentum |  | 63 |
| 6693307492 | horizontal projectile motion | initial velocity = zero a=-9.8 displacement is negative | 64 | |
| 6693307493 | projectile motion at an angle | *split initial velocity into sin and cos *vsin is for vertical constant acceleration equations *vcos is for horizontal constant velocity equation x=vt | 65 | |
| 6693307494 | density | density (kg/m^3) mass (kg) Volume (m^3) |  | 66 |
| 6693307495 | period | period is time for one complete cycle/circle w= angular velocity/frequency (rad/s) f= frequency (Hz) |  | 67 |
| 6693307496 | Ohm's Law | I= current (A)....flow V= electric potential difference (Volts)....push R= resistance (ohm's law)... fight *the more the push the more the flow * the more the fight, the less the flow |  | 68 |
| 6693307497 | slope of a voltage vs resistance graph | current | 69 | |
| 6693307498 | slope | divide axis and find equation for meaning | 70 | |
| 6693307499 | area | *multiply axis for meaning *area under x-axis is negative *shading is from the x-axis up and from the x-axis down |  | 71 |
| 6693307500 | Newton's 2nd Law - Pulley System | up-down=ma T-W=ma T-.9(9.8)=.9a T-.6(9.8)=.6(-a) |  | 72 |
| 6693307501 | Newton's 2nd law- incline plane | N-mgcos(angle)=0 T-mgsin(angle)=ma T-mg=m(-a) |  | 73 |
| 6693307502 | Newton's 2nd law Vertical Circular Motion | N-mg=mv^2/r |  | 74 |
| 6693307503 | projectile motion | *force = weight (down whole time) *acceleration (down -9.8 m/s/s) *horizontal motion constant velocity x=vt *at P only horizontal velocity *at P vertical velocity is negative |  | 75 |
| 6693307504 | Newton's 2nd law -modified atwood | N-mg=0 T=4a T-2g=2(-a) |  | 76 |
| 6693307505 | Freebody for incline plane | only C and E correct C is at rest or moving down incline E is being accelerated up incline |  | 77 |
| 6693307506 | Sound | compressional / longitudinal wave *fastest in solids *cannot go through a vaccuum | 78 | |
| 6693307507 | conservation of angular momentum |  | 79 | |
| 6693307508 | torque |  | 80 | |
| 6693307509 | Coulomb's Law |  | 81 | |
| 6693307510 | Hooke's Law |  | 82 | |
| 6693307511 | Ohm's law visual |  | 83 | |
| 6693307512 | centripetal force | *Net force towards center of circle Moon around earth it is gravity car going around curve friction |  | 84 |
| 6693307513 | no centripetal force | no centripetal force object moves straight... no longer turns |  | 85 |
| 6693314291 | Fraction of a wavelength that resonates an open pipe or string | 1/2, 1, 3/2, 2 ......... | 86 | |
| 6693317243 | Fraction of a wavelength that resonates a closed pipe | 1/4, 3/4, 5/4, ......... | 87 | |
| 6693328697 | Fundamental Frequency of an open pipe or string | f = v/2L | 88 | |
| 6693345530 | Fundamental Frequency of a closed pipe | f = v/4L | 89 |