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Physics
General Physics
Momentum
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Created by
Robin Jack
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Cards (3)
Momentum
: product of mass and velocity.
p
=
p\ =
p
=
m
v
\ mv
m
v
Principle of conservation of
linear momentum
:
when bodies in a system interact, total momentum remains constant provided no external force acts on the system
m
A
u
A
+
m
B
u
B
=
m
A
v
A
+
m
B
v
B
m_Au_{A\ +\ }m_Bu_{B\ =\ }m_Av_{A\ +\ }m_Bv_B
m
A
u
A
+
m
B
u
B
=
m
A
v
A
+
m
B
v
B
Impulse
:
product of force and time for which it acts
F
t
=
Ft\ =
Ft
=
m
v
−
m
u
\ mv\ -\ mu
m
v
−
m
u
