物理学 4-3角动量角动量守恒定律 第五版 3质点的角动量守恒定律 (The law of angular momentum conservation of a mass point) M=OL=C 质点所受对参考点O的合力矩为零时,质 点对该参考点O的角动量为一恒矢量质点 的角动量守恒定理 The law of angular momentum conservation of a mass point: with respect to the same reference point O the combined torque the mass point is subject to is equal to zero, the angular momentum of the mass point is the constant vector. 第四章刚体的转动 7/344-3 角动量 角动量守恒定律 第四章 刚体的转动 物理学 第五版 7/34 质点所受对参考点 O 的合力矩为零时，质 点对该参考点 O 的角动量为一恒矢量——质点 的角动量守恒定理 3 质点的角动量守恒定律 M = 0 L C= (The law of angular momentum conservation of a mass point) The law of angular momentum conservation of a mass point: With respect to the same reference point O the combined torque the mass point is subject to is equal to zero, the angular momentum of the mass point is the constant vector