9.Describe qualitatively the effect of the position of the centre of mass on the stability of simple objects.定性的描述质心的位置对物体稳定的影响。 (e)Scalars and vectors标量和矢量 17.Demonstrate an understanding of the difference between scalars and vectors and give common examples.阐明和理解标量...
9.Describe qualitatively the effect of the position of the centre of mass on the stability of simple objects.定性的描述质心的位置对物体稳定的影响。 (e)Scalars and vectors标量和矢量 17.Demonstrate an understanding of the difference between scalars and vectors and give common examples.阐明和理解标量...
8.Perform and describe an experiment to determine the position of the centre of mass of a plane lamina.演示和描述一个在几何平面内找出物体质心的实验。 9.Describe qualitatively the effect of the position of the centre of mass on the stability of simple objects.定性的描述质心的位置对物体稳定的影...