Equation List – AP Physics 1
Kinematics
Kinematics
x
v
t
a
v
t
1
(vi  vf )t
2
1
x  vit  a(t ) 2
2
x 
vf  vi  at
vf 2  vi 2  2ax
Newton’s Laws and gravitation
Newton’s 3 laws
1. An object at rest will stay at rest and an object in motion will stay in motion along
a straight-line path, until acted upon by an outside force.
2.  F  ma .
3. For every action, there is an equal and opposite reaction.
Gravitation
Gm1m 2
r2
F
W  mg
v
2r
T
Fc 
mv 2
r
Force of gravitational attraction between 2 objects
Weight of an object, in Newtons
velocity of a satellite in circular orbit, with period T
centripetal force on an orbiting satellite
Equation List – AP Physics 1
Work, Power, Conservation of Energy
KE 
1 2
mv
2
1
1
1
1
m1v12i  m 2v22i  m1v12f  m 2v22 f
2
2
2
2
Kinetic energy
Conservation of kinetic energy for a
perfectly elastic collision
Friction
fs max  sFN
static friction
fk  kFN
kinetic friction
Momentum
p  mv
momentum
Ft  p
Impulse momentum theorem
m1v1i  m2v 2i  m1v1 f  m2v 2 f
Conservation of momentum
m1v1i  m 2v 2i  (m1  m 2)vf
Conservation of momentum for a perfectly inelastic
collision
Center of mass
xcm 
m1 x1  m 2 x 2
m1  m 2
location of center of mass
vcm 
m1v1  m 2v 2
m1  m 2
velocity of center of mass