AQA A Level Physics復習筆記6.2.7 Energy in SHM
Energy in SHM During?simple harmonic motion, energy is constantly exchanged between two forms: kinetic and potential The potential energy could be in the form of: Gravitational potential ene...
2023年A-Level考試將迎重大改革！
A-Level考試改革已經傳了很久，這一次動真格了！英國學生辦公室(OfS)已經制定了一項新的入學制度，該制度可能取消A-Level預估分（predicted result）的使用。取消預估分意味著，學生需要先拿到A-Level實考成績以...
AQA A Level Physics復習筆記6.2.6 Harmonic Oscillators in Context
Harmonic Oscillators in Context Any oscillations about an equilibrium where its restoring force is proportional to its displacement will be simple harmonic This doesn’t apply just to pendulu...
AQA A Level Physics復習筆記6.2.5 Period of Simple Pendulum
Period of Simple Pendulum A simple pendulum is another type of simple harmonic oscillator The pendulum consists of a string and a bob (a weight, generally spherical) at the end The?ti...
AQA A Level Physics復習筆記6.2.4 Period of Mass-Spring System
Period of Mass-Spring System A mass and spring system is a type of simple harmonic oscillator The?time period?of a mass-spring system is given by: Where: T?= time period (s) m?= mass (kg) k?...
AQA A Level Physics復習筆記6.2.3 Calculating Maximum Speed & Acceleration
Maximum Speed The speed?v?of an oscillator will vary in SHM. It is: Maximum?at the?equilibrium?position (x?= 0) Zero?at the?amplitude?(x = A) The maximum speed,?vmax, is given by the equatio...
AQA A Level Physics復習筆記6.2.2 SHM Graphs
SHM Graphs The displacement, velocity and acceleration of an object in?simple harmonic motion?can be represented by graphs against time All undamped SHM graphs are represented by?periodic fu...
AQA A Level Physics復習筆記6.2.1 Conditions for Simple Harmonic Motion
Conditions for Simple Harmonic Motion Simple harmonic motion (SHM)?is a specific type of oscillation An oscillation is said to be SHM when: The acceleration is proportional to the displaceme...
AQA A Level Physics復習筆記6.1.5 Centripetal Force
Calculating Centripetal Force An object moving in a circle is not in equilibrium, it has a resultant force acting upon it This is known as the?centripetal force?and is what keeps the object ...
