Law of Conservation of Momentum
Law of conservation of momentum states that momentum only moves from one place to another, since it is neither created or destroyed.
Law of conservation of momentum formulas |
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\(\large{ p_i = p_f }\) \(\large{ p_i + p_f = p_i^{\prime} + p_f^{\prime} }\) \(\large{ m_i \; v_i + m_f \; v_f = m_i \; v_i^{\prime} + m_f \; v_f^{\prime} }\) |
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| Symbol | English | Metric |
| \(\large{ p_f } \) = the final system's momentum | \(\large{\frac{lbm-ft}{sec}}\) | \(\large{\frac{kg-m}{s}}\) |
| \(\large{ p_i } \) = the initial system's momentum | \(\large{\frac{lbm-ft}{sec}}\) | \(\large{\frac{kg-m}{s}}\) |
| \(\large{ m_f }\) = final mass | \(\large{lbm}\) | \(\large{kg}\) |
| \(\large{ m_i }\) = initial mass | \(\large{lbm}\) | \(\large{kg}\) |
| \(\large{ V_f }\) = final volume | \(\large{ft^3}\) | \(\large{m^3}\) |
| \(\large{ V_i }\) = initial volume | \(\large{ft^3}\) | \(\large{m^3}\) |
Tags: Momentum Equations Law of Conservation Equations Laws of Physics