果园
发表于 2025-3-21 17:41:57
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高脚酒杯
发表于 2025-3-21 21:08:17
Student Physics Serieshttp://image.papertrans.cn/c/image/227091.jpg
讨好女人
发表于 2025-3-22 01:23:26
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Evocative
发表于 2025-3-22 07:43:15
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Nostalgia
发表于 2025-3-22 11:32:33
Dynamics of a single particle,The general problem treated in this chapter is the solution of the dynamics of a single particle once the force field is specified. In most cases, since we shall be dealing with conservative systems, the force will be obtained from a potential energy function.
披肩
发表于 2025-3-22 14:57:51
Many-particle systems,There is a sense in which a body made up of a number of parts (atoms, say) may be regarded as a point mass. We have made such an assumption in previous chapters, even when considering an object as large as the sun! It is the purpose of this section to investigate the extent to which this assumption is valid.
披肩
发表于 2025-3-22 17:41:47
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帽子
发表于 2025-3-22 21:59:47
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失败主义者
发表于 2025-3-23 04:25:13
Reproductive Laws for the 1990sacting with forces that are so’ stiff’ that the separation between any two particles remains constant. From the considerations of the previous chapter we know that these internal forces do not affect the dynamics of the body. What distinguishes a rigid body from a point mass is its extension in spac
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发表于 2025-3-23 05:47:05
Reproductive Laws for the 1990sthe motion at a point to the motion close by. This may be regarded as a . view of the dynamics of the system. By contrast, we now adopt a . view—what can we say about the whole trajectory of our system? In other words, we shall (for the time being) concentrate our attention on the . to the equations