Edexcel A Level Physics:复习笔记13.10 Resonance Graphs
Resonance Graphs A graph of driving frequency f against amplitude A of oscillations is called a resonance curve. It has the following key features: When f < f0, the amplitude of oscillations inc...
Edexcel A Level Physics:复习笔记13.9 Free & Forced Oscillations
Free & Forced Oscillations Free Oscillations Free oscillations occur when there is no transfer of energy to or from the surroundings This happens when an oscillating system is displaced and the...
Edexcel A Level Physics:复习笔记13.8 Damped & Undamped Oscillating Systems
Damped & Undamped Oscillating Systems In practice, all oscillators eventually stop oscillating Their amplitudes decrease rapidly, or gradually This happens due to resistive forces, such ...
Edexcel A Level Physics:复习笔记13.7 Core Practical 16: Investigating Resonance
Core Practical 16: Investigating Resonance Aim of the Experiment Determine the value of an unknown mass by a graphical method by using the resonant frequencies of the oscillation of known masses Va...
Edexcel A Level Physics:复习笔记13.6 Resonance
Resonance The frequency of forced oscillations is referred to as the driving frequency, f, or the frequency of the applied force All oscillating systems have a natural frequency, f0, this is define...
Edexcel A Level Physics:复习笔记13.5 Velocity-Time Graph for an Oscillator
Velocity-time graph for an oscillator The velocity of an object in simple harmonic motion can be represented by a graph of velocity against time Key features of the velocity-time graph: It is 90o o...
Edexcel A Level Physics:复习笔记13.4 Displacement-Time Graph for an Oscillator
Displacement-Time graph for an oscillator The displacement of an object in simple harmonic motion can be represented by a graph of displacement against time All undamped SHM graphs are represented ...
Edexcel A Level Physics:复习笔记13.3 Period of Simple Harmonic Oscillators
Period of a simple pendulum A simple pendulum is: An object moving from side to side Attached to a fixed point above The time period of a simple pendulum can also be calculated using this equation:...
Edexcel A Level Physics:复习笔记13.2 Equations for Simple Harmonic Motion
Equations for Simple Harmonic Motion Acceleration and SHM Acceleration a and displacement x can be represented by the defining equation of SHM: a ∝ −x The acceleration of an object oscillating in s...
