Physics 2010/3010, Concepts of Physical Science物理学 2010/3010,物理科学的基本概念
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Chapter 1: Units and Measurement第一章:单位和测量
What quantities must you measure to describe completely
the motion of a ball tossed into the air? What units are used to specify these quantities? What are the three most commonly used systems of units? What are the three fundamental mechanical quantities which form the basis for all mechanical measurement? What are the prefixes used with powers of ten to denote 1000x and 1/1000? Hands on: How does the time to roll a sphere down an incline depend on the height of the incline? (This will be done by measurement only at this point; it will be discussed later in the course.) 要完全描述一个被向上抛出的球的运动,必须测量哪些量?这些量用什么单位来指定?最常用的三个单位制是什么?哪些基本机械量构成了所有机械测量的基础?哪些前缀用于表示1000倍和1/1000?动手做:球沿斜面滚动的时间如何依赖于斜面的高度?(这一点将仅通过测量来完成;将在课程后面部分讨论。) |
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Chapter 2: Description of Motion第二章:运动的描述
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Chapter 3: Motion第三章:运动
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