下面是关于SAT2物理专业词汇中W,Z开头的单词小结，包括了一些非常重要的概念等。大家可以在备考自己的SAT2物理考试的时候，对此加以适当的参考和借鉴，这样就既可以记忆词汇，也可以复习知识点，一举两得。更多SAT备考资料请点击

　　W

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　　Wave

　　A system with many parts in periodic, or repetitive, motion. The oscillations in one part cause vibrations in nearby parts.

　　Wave speed

　　The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.

　　Wavelength

　　The distance between successive wave crests, or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.

　　Weak nuclear force

　　The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.

　　Weber

　　The unit of magnetic flux, equal to one T · m2.

　　Weight

　　The gravitational force exerted on a given mass.

　　Weightlessness

　　The experience of being in free fall. If you are in a satellite, elevator, or other free-falling object, then you have a weight of zero Newtons relative to that object.

　　Work

　　Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.

　　Work function

　　The amount of energy that metal must absorb bore it can release a photoelectron from the metal.

　　Work-energy theorem

　　States that the net work done on an object is equal to the object’s change in kinetic energy.

　　Z

　　Zeroth Law of Thermodynamics

　　If two systems, A and B, are in thermal equilibrium and if B and C are also in thermal equilibrium, then systems A and C are necessarily in thermal equilibrium

　　以上就是为大家总结的是关于SAT2物理词汇方面的信息，都是以字母W,Z打头的专业词汇，对于大家的备考有很大的帮助。SAT2物理考试需要大家在备考的时候记忆大量的专业词汇，这样才能更快更好的解答相关题目。

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