AP Physics 1 Flashcards
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| 5612464115 | First kinematics equation (constant acceleration) no displacement given | *speed up or slow down *acceleration is how quickly velocity changes |  | 0 |
| 5612464116 | Second kinematics equation (constant acceleration) no final velocity given | *speed up or slow down *most often used for projectile motion |  | 1 |
| 5612464117 | Third kinematics equation (constant acceleration) no time given | *speed up or slow down m/s m m/s/s |  | 2 |
| 5612464118 | Fourth Kinematics Equation (constant acceleration) no acceleration given | *speed up or slow down meters m/s seconds |  | 3 |
| 5612464119 | 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 |
| 5612464120 | Newton's 3 Laws | 3rd law means forces are equal and opposite |  | 5 |
| 5612464121 | 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 |
| 5612464122 | Force of static Friction | *from freebody diagram *Normal comes from up-down=ma equation *Newtons *coefficient is unitless |  | 7 |
| 5612464123 | 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 |
| 5612464124 | 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 |
| 5612464125 | 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 |
| 5612464126 | 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 |
| 5612464127 | 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 |
| 5612464128 | 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 |
| 5612464129 | Conservation of Mechanical energy | *one object *use for swinging objects, springs, roller coasters *potential loss is kinetic gained |  | 14 |
| 5612464130 | 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 |
| 5612464131 | Power | rate of energy change Watts |  | 16 |
| 5612464132 | energy from power | Energy= power * time Joules |  | 17 |
| 5612464133 | radial/ centripetal acceleration | change direction acceleration m/s/s |  | 18 |
| 5612464134 | total acceleration | no angular acceleration m/s/s *object speeding up/slowing down and turning |  | 19 |
| 5612464135 | linear/tangential velocity for circular motion | T is period= time for one complete circle x=vt where x is circumference m/s |  | 20 |
| 5612464141 | 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) |  | 21 |
| 5612464142 | 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) |  | 22 |
| 5612464148 | momentum | vector! Watch sign for VELOCITY |  | 23 |
| 5612464149 | impulse | vector! change of direction means double the impulse WATCH SIGN for VELOCITY |  | 24 |
| 5612464150 | kinetic energy | scalar, never negative if you are moving you have kinetic energy |  | 25 |
| 5612464152 | 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 |  | 26 |
| 5612464161 | slope of a position vs time graph | v=x/t velocity | 27 | |
| 5612464162 | slope of a velocity vs time graph | a= change of v/time acceleration | 28 | |
| 5612464163 | area of a velocity vs time graph | x=vt displacement | 29 | |
| 5612464164 | slope of a force vs acceleration graph | m=F/a mass | 30 | |
| 5612464165 | area of a force vs time graph | Ft= impulse= change of momentum | 31 | |
| 5612464166 | area of a force vs displacement graph | Fx=work= change of kinetic energy | 32 | |
| 5612464167 | slope of a force vs stretch graph | k=F/x spring constant or force constant | 33 | |
| 5612464168 | force of friction | another force for freebody Normal comes from freebody |  | 34 |
| 5612464169 | Newton's 2nd Law Practice | split tension Fcos (angle)- f =ma N +Fsin(angle)-mg=0 |  | 35 |
| 5612464170 | conservation of momentum | use for collisions momentum before + momentum before = momentum after +momentum after |  | 36 |
| 5612464171 | Elastic collisions | *conserve momentum and kinetic energy *magnetic bumpers with carts |  | 37 |
| 5612464172 | Inelastic collisions | *This is what you assume unless told otherwise *conserve momentum not kinetic energy *objects do not have to stick together |  | 38 |
| 5612464173 | completely inelastic collisions | *conserve momentum only *objects stick together *Velcro with carts |  | 39 |
| 5612464178 | horizontal projectile motion | initial velocity = zero a=-9.8 displacement is negative | 40 | |
| 5612464179 | 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 | 41 | |
| 5612464184 | slope | divide axis and find equation for meaning | 42 | |
| 5612464185 | area | *multiply axis for meaning *area under x-axis is negative *shading is from the x-axis up and from the x-axis down |  | 43 |
| 5612464186 | Newton's 2nd Law - atwood | up-down=ma T-W=ma T-.9(9.8)=.9a T-.6(9.8)=.6(-a) |  | 44 |
| 5612464187 | Newton's 2nd law- incline plane | N-mgcos(angle)=0 T-mgsin(angle)=ma T-mg=m(-a) |  | 45 |
| 5612464188 | Newton's 2nd law turning | N-mg=mv^2/r |  | 46 |
| 5612464189 | 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 |  | 47 |
| 5612464190 | Newton's 2nd law -modified atwood | N-mg=0 T=4a T-2g=2(-a) |  | 48 |
| 5612464191 | Freebody for incline plane | only C and E correct C is at rest or moving down incline E is being accelerated up incline |  | 49 |
| 5612464198 | centripetal force | *Net force towards center of circle Moon around earth it is gravity car going around curve friction |  | 50 |
| 5612464199 | no centripetal force | no centripetal force object moves straight... no longer turns |  | 51 |