PS2A - 部队和运动


Disciplinary Core Idea PS2A: Forces and Motion Paul Andersen introduces forces, motion, and Newton's three laws in this video. He begins by describing forces as pushes or pulls on objects that produce motion. A lack of motion results from a balanced set of forces. A teaching progression K-12 is also included.

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下一代科学标准物理科学纪律核心理念2A:力量和运动
Paul Andersen在这段视频中介绍了部队,运动和牛顿的三个法律。他首先描述了力量,因为推动或拉动产生运动的物体。缺乏均衡的力量的运动结果。还包括教学进展K-12。