IB DP Physics: HL復(fù)習(xí)筆記2.3.5 Power
Power The power of a mechanical process is the?rate at which energy is transferred Since work done is equal to the energy transferred, power can also be defined as the rate of doing work or?the wor...
IB DP Physics: HL復(fù)習(xí)筆記2.3.4 Work Done
Work Done Work is defined as The amount of energy transferred when an external force causes an object to move over a certain distance If the force is parallel to the direction of the object's displ...
IB DP Physics: HL復(fù)習(xí)筆記2.3.3 Elastic Potential Energy
Elastic Potential Energy Elastic potential energy is defined as The energy stored within a material (e.g. in a spring) when it is stretched or compressed It can be found from the?area under the for...
IB DP Physics: HL復(fù)習(xí)筆記2.3.2 Gravitational Potential Energy
Gravitational Potential Energy Gravitational potential energy (Ep) is energy stored in a mass due to its position in a gravitational field If a mass is?lifted?up, it will?gain?Ep?(converted?from?ot...
IB DP Physics: HL復(fù)習(xí)筆記2.3.1 Kinetic Energy
Kinetic Energy Kinetic energy (Ek) is the energy an object has due to its?motion?(or velocity) The faster an object is moving, the greater its kinetic energy When an object is falling, it is?gainin...
IB DP Physics: HL復(fù)習(xí)筆記2.2.6 Friction
Friction Friction is a force that works in?opposition?to the motion of an object It occurs between two?solid bodies?that are?in contact?with one another The opposition of?friction slows?down the mo...
IB DP Physics: HL復(fù)習(xí)筆記2.2.5 Applying Newton’s Laws of Motion
Applying Newton’s Laws of Motion Newton's laws of motion are strong tools to understand the motion of objects with forces acting upon them Below are two worked examples demonstrating different situ...
2022 HiMCM美國高中數(shù)學(xué)建模競賽火熱組隊報名中，競賽流程了解一下
美國高中數(shù)學(xué)建模學(xué)術(shù)活動（High School Mathematical Contest in Modeling，簡稱HiMCM）是美國的一個非營利機構(gòu)——美國數(shù)學(xué)及其應(yīng)用聯(lián)合會（COMAP）主辦的一項國際性的數(shù)學(xué)學(xué)術(shù)活動活動，旨在提高學(xué)生數(shù)學(xué)建模、...
IB DP Physics: HL復(fù)習(xí)筆記2.2.4 Newton’s Third Law
Newton’s Third Law Newton’s?third law of motion?states: Whenever two bodies interact, the forces they exert on each other are equal and opposite Newton’s third law explains the following important ...
