Calculating Probabilities using PDF A continuous random variable can take any value in an interval so is typically used when continuous quantities are involved (time, distance, weight, etc) What is...
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 sta...
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 ...
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 informat...
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...
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 displacem...
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 Vector...
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 th...
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 mathemati...
