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...
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...
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: Lengt...
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...
Biological Treatments of OCD As the biological approach explains OCD through the biological makeup of the individual, it also explains the treatments of OCD through biological treatments. Th...
Biological Explanations of OCD: Genetic Explanations The biological approach is known as the medical model as it explains all behaviour through our biology. The biological approach sees OCD ...
Characteristics of OCD Obsessive-Compulsive Disorder (OCD) is an anxiety disorder and is characterised by experiencing persistent and intrusive thoughts which occur as obsessions, compulsion...
