物理学 4-3角动量角动量守恒定律 第五版 M- di Mdt =L,-L dt 冲量矩( Torque of impulse)/2mdt 质点的角动量定理对同一参考点O,质点所 受的冲量矩等于质点角动量的增量 The theorem of angular momentum of the mass points With respect to the same reference point o the torque of impulse the mass point is subject to is equal to the increment of the angular momentum of the mass point. 第四章刚体的转动 6/344-3 角动量 角动量守恒定律 第四章 刚体的转动 物理学 第五版 6/34 冲量矩(Torque of impulse) M t t t d 2 1   d 2 1 2 1 M t L L t t    = −  t L M d d   = 质点的角动量定理:对同一参考点 O ，质点所 受的冲量矩等于质点角动量的增量 The theorem of angular momentum of the mass point: With respect to the same reference point O the torque of impulse the mass point is subject to is equal to the increment of the angular momentum of the mass point