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第 15 章

振動

シンプルハーモニックモーション
シンプルハーモニックモーション
Simple harmonic motion is the name given to oscillatory motion for a system where the net force can be described by Hooke's law. If the net force can ...
単純調和運動の特徴
単純調和運動の特徴
The key characteristic of the simple harmonic motion is that the acceleration of the system and, therefore, the net force are proportional to the ...
平衡位置に関する振動
平衡位置に関する振動
Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable ...
単純調和運動のエネルギー
単純調和運動のエネルギー
To determine the energy of a simple harmonic oscillator, consider all the forms of energy it can have during its simple harmonic motion. According to ...
スプリングマスシステムの周波数
スプリングマスシステムの周波数
One interesting characteristic of the simple harmonic motion (SHM) of an object attached to a spring is that the angular frequency, and the period and ...
単純な調和運動と均一な円運動
単純な調和運動と均一な円運動
While simple harmonic motion and uniform circular motion may be two separate concepts, they correlate and interlink with each other. Simple harmonic ...
問題解決:単純調和運動におけるエネルギー
問題解決:単純調和運動におけるエネルギー
Simple harmonic motion (SHM) is a type of periodic motion in time and position, in which an object oscillates back and forth around an equilibrium ...
シンプル振り子
シンプル振り子
A simple pendulum consists of a small diameter ball suspended from a string, which has negligible mass but is strong enough to not stretch. In our daily ...
ねじり振り子
ねじり振り子
A torsional pendulum involves the oscillation of a rigid body in which the restoring force is provided by the torsion in the string from which the rigid ...
物理的な振り子
物理的な振り子
When a rigid body is hanging freely from a fixed pivot point and is displaced, it oscillates similar to a simple pendulum and is known as a physical ...
重力による加速度の測定
重力による加速度の測定
Consider a coffee mug hanging on a hook in a pantry. If the mug gets knocked, it oscillates back and forth like a pendulum until the oscillations die ...
減衰振動
減衰振動
In the real world, oscillations seldom follow true simple harmonic motion. A system that continues its motion indefinitely without losing its amplitude is ...
ダンピングの種類
ダンピングの種類
If the amount of damping in a system is gradually increased, the period and frequency start to become affected because damping opposes, and hence slows, ...
強制振動
強制振動
When an oscillator is forced with a periodic driving force, the motion may seem chaotic. The motions of such oscillators are known as transients. After ...
共鳴の概念とその特性
共鳴の概念とその特性
If a driven oscillator needs to resonate at a specific frequency, then very light damping is required. An example of light damping includes playing piano ...
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