Momentum Flashcards
1
Q
Centre of Mass
A
Sum(m_i x_i)/Sum(m_i)
1
Q
Impulse
A
J = F (t) = change in momentum
2
Q
Velocity of the centre of mass
A
Sum(m_i v_i)/Sum(m_i)
3
Q
Acceleration of the centre of mass
A
Sum(m_i a_i)/Sum(m_i)
4
Q
Conservation of Momentum
A
In the absence of external forces, momentum is constant
