Equilibrium in 2D What does two dimensions (2D) mean in mechanics? ?In?two?dimensions, a particle may be considered as existing and being able to move around two-dimensional space rather than in a ...
Equilibrium in 1D What is Newton’s First Law of Motion (N1L)? An object at rest will stay at rest, and an object moving with constant?velocity?will continue to move with constant velocity, unless a...
Force Diagrams Why do we need force diagrams? Force?diagrams?are used to help understand a given scenario and show which?forces?are acting on which?particles?and in which?direction?they are acting ...
Acceleration due to Gravity What is acceleration due to gravity? If motion is vertical and no other forces are acting on a particle, the acceleration of the particle will be due to gravity Accelera...
suvat in 1D What are the suvat (constant acceleration) formulae? For constant acceleration there are?five?suvat formula: How do I identify values for suvat within a question? ?Common phrases for?di...
Deriving the suvat Formulae What is suvat? suvat?is an acronym for the five quantities used when?modelling?motion?in a?straight-line?with?constant?acceleration s?– displacement (from the starting p...
近年來，醫學、生物醫學、生物科學、生物化學等作為熱門專業，備受不少家長和同學歡迎。 不論藤校還是G5，對于生物學相關的理工科專業，參加國際生物學術活動都能為申請增色不少。 然而與生物相關的國際學術活動...
Using Calculus in 1D How is calculus used in kinematics? s,?v?and?a?are all functions of time Velocity,?v, is the rate of change of displacement,?s, with respect to time Acceleration,?a, is the rat...
Drawing Travel Graphs How do I draw a displacement-time graph or a velocity-time graph? You may be asked to draw a?displacement-time?graph or a?velocity-time?graph You will be given information abo...
Velocity-Time Graphs What is a velocity-time graph? Velocity- time?graphs show the?velocity?of an object as it moves in a?straight line They show?velocity?(on the vertical axis) against?time?(on th...
Displacement-Time Graphs What is a displacement-time graph? Displacement-time?graphs show the?displacement?of an object from a?fixed origin?as it moves in a?straight line They show?displacement?(on...
Modelling Assumptions What is modelling in Mechanics? Mechanics uses?modelling?to solve problems in real life situations We use?assumptions?to simplify real life problems in order to turn them into...
