Edexcel A Level Maths: Mechanics:复习笔记2.3.2 suvat in 1D
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...
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...
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...
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...
Working with Vectors Vectors are used throughout mechanics to describe forces and motion How are Vectors used in Mechanics? Vector questions are often embedded in a Mechanics context Vectors will ...
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...
Types of Force What is a force? A force is a vector quantity, it has both magnitude and direction A force is a push or a pull on an object A force is measured in Newtons In A level mathematical mod...
Derived Units What are derived units? Derived units for quantities such as velocity, acceleration and force etc. are combinations of S.I. units Speed or Velocity = distance ÷ time = m/s or m s-1 (V...
Fundamental Units What are fundamental units? Fundamental units or S.I. units are the international standardised units used around the world The three main units you will be using are: Length measu...
Scalars & Vectors Mechanics uses a variety of different scalar and vector quantities. What are scalars? Scalars are quantities without direction, they only have a size (magnitude) e.g. a speed ...
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