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10 cards from this deck
p=mvp = m\mathbf{v}p=mv (mass × velocity)
Impulse=Ft\text{Impulse} = \mathbf{F}tImpulse=Ft (force × time)
Newton seconds (N s)
Change in momentum: Ft=mv−mu\mathbf{F}t = m\mathbf{v} - m\mathbf{u}Ft=mv−mu
m1u1+m2u2=m1v1+m2v2m_1u_1 + m_2u_2 = m_1v_1 + m_2v_2m1u1+m2u2=m1v1+m2v2
When no external forces act on the system
Bodies collide along their common line of travel
Two particles combine and move with common velocity
m1u1+m2u2=(m1+m2)vm_1\mathbf{u}_1 + m_2\mathbf{u}_2 = (m_1 + m_2)\mathbf{v}m1u1+m2u2=(m1+m2)v
Vector quantities (have magnitude and direction)
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