Dynamics is a technical term. It is the scientific study of motion, energy, and forces.
动力学是一个专业用语。它是关于运动，能量，与力的科学研究。
Looking for a simple, quick demonstration of forces and acceleration in circle motion?
看过一简单、快速的演示圆周运动中力和加速度的变化吗？
Looking for a simple, quick demonstration of forces and acceleration in circle motion?
看过一简单、快速的演示圆周运动中力和加速度的变化吗？
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