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Dynamics
7 formulas · Physics
Newton's second law
F
=
m
a
F=ma
F
=
ma
Momentum
p
=
m
v
p=mv
p
=
m
v
Conservation of momentum
p
⃗
b
e
f
o
r
e
=
p
⃗
a
f
t
e
r
\vec{p}_{before}=\vec{p}_{after}
p
b
e
f
or
e
=
p
a
f
t
er
Centripetal force
F
d
=
m
v
2
r
=
m
ω
2
r
F_d=\dfrac{mv^2}{r}=m\omega^2 r
F
d
=
r
m
v
2
=
m
ω
2
r
Friction force
T
=
μ
N
T=\mu N
T
=
μ
N
Elastic force (Hooke's law)
F
=
k
x
F=k x
F
=
k
x
Torque
M
=
F
r
sin
α
M=F r\sin\alpha
M
=
F
r
sin
α
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