Connected Bodies - Pulleys What is a pulley (or peg)? A pulley is a wheel like device that rotates as a string passes over it allowing motion of any particles attached to the string Pulleys ...
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a discrete probability distributionYou will be expected to use the distribution function on your GDC...
Connected Bodies - The Lift Problem What is the lift problem? The lift problem involves objects (particles) that are directly in contact with each other – typically a person or crate in a li...
Expected Values E(X) What does E(X) mean and how do I calculate E(X)? E(X) means the expected value or the mean of a random variable X The expected value does not need to be an obtainable value of ...
Discrete Probability Distributions What is a discrete random variable? A random variable is a variable whose value depends on the outcome of a random event The value of the random variable is not ...
Edexcel IGCSE Physics 复习笔记 1.2.3 Resultant Forces Calculating Resultant Force A resultant force is a single force that describes all of the forces operating on a body When many forces ar...
Venn Diagrams What is a Venn diagram? A Venn diagram is a way to illustrate events from an experiment and are particularly useful when there is an overlap between possible outcomes A Venn diagram c...
Connected Bodies - Ropes & Tow Bars What are connected bodies/particles? The phrase connected particles refers to situations where two (or more) bodies (objects) are connected in some wa...
Conditional Probability What is conditional probability? Conditional probability is where the probability of an event happening can vary depending on the outcome of a prior event The event A happen...
