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13 cards from this deck
Momentum
When an object is not moving
p=m×vp = m \times vp=m×v
kgm/skg m/skgm/s or kgms−1kgms^{-1}kgms−1
ppp
Total momentum before = total momentum after
Always conserved
Vector
Force = rate of change of momentum
F=(mv−mu)tF = \frac{(mv - mu)}{t}F=t(mv−mu)
Final momentum
Initial momentum
Closed system (no external forces)
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