Pola - pola Normal

Tampilan Layar Pola - pola Normal  Unduh  Sertaan
  • Oscillator
  • Normal Modes
  • Polarisasi

Isi

  • Oscillator
  • Normal Modes
  • Polarisasi
  • Mass Spring System
  • Frekuensi
  • Amplitudo
  • Phase

Description

Play with a 1D or 2D system of coupled mass-spring oscillators. Vary the number of masses, set the initial conditions, and watch the system evolve. See the spectrum of normal modes for arbitrary motion. See longitudinal or transverse modes in the 1D system.

Contoh Tujuan Pengajaran

  • Explain what a normal mode is.
  • Explain what are the frequency, the amplitude, and the phase of a normal mode.
  • Explain why different normal modes have different frequencies and why higher-numbered modes have higher frequencies.
  • Identify how many normal modes a given system has and be able to sketch the individual modes qualitatively, for both 1D and 2D systems.
  • Explain the distinction between transverse and longitudinal normal modes in a 1D system.
  • Explain how adjusting the phase of a normal mode affects the motion of the system.
  • Explain qualitatively how any arbitrary state of the system can be written as a sum of normal modes; that is, explain the superposition principle.
  • Explain which properties of the system are set by the initial conditions, which properties are time-independent, and which properties are time-dependent.
  • Explain why striking a metal plate in one spot raises the temperature of the plate.
Version 1.01

Teacher Tips

Panduan Bagi Guru (pdf) memuat petunjuk / tip yang dibuat oleh Tim PhET. ( PDF ).

Teacher-Submitted Activities

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Bahasa Download or Run Tips
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Belarusian All беларускі Download Run now Нармальныя рэжымы
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Brazilian Portuguese All português (Brasil) Download Run now Modos Normais
Chinese - Simplified All 中文 (中国) Download Run now 标准振荡
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Danish All Dansk Download Run now Normalindstillinger
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French All français Download Run now Modes vibratoires à plusieurs corps
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German All Deutsch Download Run now Normalschwingungen 1D & 2D
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Hebrew All עברית Download Run now מצבים נורמלים
Hungarian All magyar Download Run now Normál módusok
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Japanese All 日本語 Download Run now 基準振動(モード)
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Korean All 한국어 Download Run now 정규 모드
Macedonian All македонски Download Run now Нормални модови
Mongolian All Монгол (Монгол) Download Run now Хэвийн Горим
Persian All فارسی Download Run now مد طبيعي
Polish All polski Download Run now Mody Normalne
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Slovak All Slovenčina Download Run now Normálne vibračné módy
Spanish All español Download Run now Frecuencias resonantes.
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Turkmen All Turkmen Download Run now Yrgyldamanyň normal diapazonlary
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Windows Macintosh Linux
Microsoft Windows
XP/Vista/7/8.1/10
Macromedia Flash 9 or later
OS X 10.9.5 or later
Macromedia Flash 9 or later
Macromedia Flash 9 or later

Tim Perancang Librari Pihak Ketiga Terimakasih Kepada
  • Michael Dubson (lead designer/developer)
  • Jon Olson (developer)
  • Ariel Paul (development/interviews)
  • Trish Loeblein (development)