AP Physics 1 Review Flashcards
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| 9861411976 | First kinematics equation (constant acceleration) no displacement given | *speed up or slow down *acceleration is how quickly velocity changes |  | 0 |
| 9861411977 | Second kinematics equation (constant acceleration) no final velocity given | *speed up or slow down *most often used for projectile motion |  | 1 |
| 9861411978 | Third kinematics equation (constant acceleration) no time given | *speed up or slow down m/s m m/s/s |  | 2 |
| 9861411979 | Fourth Kinematics Equation (constant acceleration) no acceleration given | *speed up or slow down meters m/s seconds |  | 3 |
| 9861411980 | 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 |
| 9861411982 | 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) |  | 5 |
| 9861411983 | Force of static Friction | *from freebody diagram *Normal comes from up-down=ma equation *Newtons *coefficient is unitless |  | 6 |
| 9861411984 | Force of kinetic friction | *depends on materials and normal force acting on object *Normal comes from up-down=ma equation *Newtons *coefficient is unitless |  | 7 |
| 9861411985 | 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 |  | 8 |
| 9861411986 | Work-Energy Theorem | *Work is the change of kinetic energy *object speeding up or slowing down *option to Newton's 2nd Law approach Joules |  | 9 |
| 9861411987 | 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 |  | 10 |
| 9861411988 | 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 |  | 11 |
| 9861411989 | 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 |  | 12 |
| 9861411990 | Conservation of Mechanical energy | *one object *use for swinging objects, springs, roller coasters *potential loss is kinetic gained |  | 13 |
| 9861411991 | 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 |  | 14 |
| 9861411992 | Power | rate of energy change Watts |  | 15 |
| 9861411994 | centripetal acceleration | change direction acceleration m/s/s |  | 16 |
| 9861411995 | total acceleration | no angular acceleration m/s/s *object speeding up/slowing down and turning |  | 17 |
| 9861411996 | linear/tangential velocity for circular motion | T is period= time for one complete circle x=vt where x is circumference m/s |  | 18 |
| 9861411997 | conversion for linear and angular velocity | v=velocity (m/s) w=angular velocity (rad/s) r= radius (m) |  | 19 |
| 9861411998 | conversion for linear and angular acceleration | a= acceleration m/s/s alpha= angular acceleration rad/s/s r= radius (m) |  | 20 |
| 9861411999 | angular momentum | 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 |  | 21 |
| 9861412000 | 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 |  | 22 |
| 9861412001 | Rotational Kinetic energy | *object turning like a spinning wheel K= kinetic energy (joules) I= rotational inertia (kgm^2) w= angular velocity (rad/s) |  | 23 |
| 9861412002 | 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) |  | 24 |
| 9861412003 | 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) |  | 25 |
| 9861412004 | position as a function of time for simple harmonic motion (mass on spring) | RADIAN MODE x=position (meters) A= amplitude (meters) f=frequency (Hz) |  | 26 |
| 9861412006 | frequency for simple harmonic motion | f=frequency (Hz) T=period (s) w=angular frequency (rad/s) *use parenthesis in calculator |  | 27 |
| 9861412007 | 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) |  | 28 |
| 9861412008 | 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 |  | 29 |
| 9861412009 | momentum | vector! Watch sign for VELOCITY |  | 30 |
| 9861412010 | impulse | vector! change of direction means double the impulse WATCH SIGN for VELOCITY |  | 31 |
| 9861412011 | kinetic energy | scalar, never negative if you are moving you have kinetic energy |  | 32 |
| 9861412012 | constant angular velocity | w= angular velocity (rad/s) angular displacement (rad) |  | 33 |
| 9861412013 | 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 |  | 34 |
| 9861412014 | 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 |  | 35 |
| 9861412015 | 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) |  | 36 |
| 9861412016 | 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 |  | 37 |
| 9861412017 | power (electricity) | rate of energy dissipated by resistor or rate of energy converted by battery *P= power (watts) *I= current (amps) *V= electric potential difference (volts) |  | 38 |
| 9861412018 | resistors in series | longer means increased resistance *one path/ one pipe/ one *current is equal *voltage adds up |  | 39 |
| 9861412019 | resistors in parallel | *multiple paths/ more pipes/two finger rule *voltage is equal *current adds up |  | 40 |
| 9861412020 | wave speed | v= wave speed (m/s) f=frequency (Hz) wavelength (m) *deceiving equation , wave speed only depends on medium |  | 41 |
| 9861412021 | slope of a position vs time graph | v=x/t velocity | 42 | |
| 9861412022 | slope of a velocity vs time graph | a= change of v/time acceleration | 43 | |
| 9861412023 | area of a velocity vs time graph | x=vt displacement | 44 | |
| 9861412024 | slope of a force vs acceleration graph | m=F/a mass | 45 | |
| 9861412025 | area of a force vs time graph | Ft= impulse= change of momentum | 46 | |
| 9861412026 | area of a force vs displacement graph | Fx=work= change of kinetic energy | 47 | |
| 9861412027 | slope of a force vs stretch graph | k=F/x spring constant or force constant | 48 | |
| 9861412028 | force of friction | another force for freebody Normal comes from freebody |  | 49 |
| 9861412030 | conservation of momentum | use for collisions momentum before + momentum before = momentum after +momentum after |  | 50 |
| 9861412031 | Elastic collisions | *conserve momentum and kinetic energy *magnetic bumpers with carts |  | 51 |
| 9861412032 | Inelastic collisions | *This is what you assume unless told otherwise *conserve momentum not kinetic energy *objects do not have to stick together |  | 52 |
| 9861412033 | completely inelastic collisions | *conserve momentum only *objects stick together *Velcro with carts |  | 53 |
| 9861412036 | 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) |  | 54 |
| 9861412037 | 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 |  | 55 |
| 9861412038 | horizontal projectile motion | initial velocity = zero a=-9.8 displacement is negative | 56 | |
| 9861412039 | 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 | 57 | |
| 9861412040 | density | density (kg/m^3) mass (kg) Volume (m^3) |  | 58 |
| 9861412041 | period | period is time for one complete cycle/circle w= angular velocity/frequency (rad/s) f= frequency (Hz) |  | 59 |
| 9861412042 | 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 |  | 60 |
| 9861412052 | Sound | compressional / longitudinal wave *fastest in solids *cannot go through a vaccuum | 61 | |
| 9861412056 | conservation of angular momentum |  | 62 | |
| 9861412053 | centripetal force | *Net force towards center of circle Moon around earth it is gravity car going around curve friction |  | 63 |