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Frequency Tables In most cases in your statistics course, you will come across data that is presented in a frequency table. These allow data to be summarised and make them easier to work with. Ungr...
Types of Data What are the different types of data? Qualitative data is data that is usually given in words not numbers to describe something For example: the colour of a teacher's car Quantitative...
Collisions - Multiple Collisions Can there be multiple collisions? After two objects collide it is possible that one (or both) of them collides with something else such as A third object A wall (pe...
Collisions What is a direct collision? A direct collision is when two objects are travelling along the same straight line when they collide Before the collision: One of the objects could be station...
Momentum What is momentum? Any object that has mass and is moving has momentum Momentum measures the quantity of motion that an object has Momentum is a vector quantity - so it has a magnitude and ...
Power What is power? Power is developed as an engine or machine does work Power is the rate of doing work, usually by the driving force of an engine It is the same as work done per second The work ...
Conservation of Energy What is conservation of energy? The principle of conservation of mechanical energy states that when a particle is moving and no external forces other than gravity act to do w...
Kinetic Energy There are many different forms of energy including, but not limited to, heat energy, light energy, chemical energy and nuclear energy. In this course we deal with a type of energy ca...
Work What does the term work mean in Mechanics? In Mechanics the word work refers to the work done by a force when it causes an object to move Mechanical work happens when both a force is applied a...
