Area of a Rectangle: 2 Videos
Video 1: Area of a rectangle
Video 2: Examples pertaining to areas of rectangles
Video 1: Area of a rectangle
Video 2: Examples pertaining to areas of rectangles
Video 1: Area of a triangle
Video 2: Examples pertaining to the area of triangles
Video 3: Common mistakes made when calculating the area of a triangle
Note: Click on the 'back button' to return to the VLE after watching each video
How to solve for the horizontal displacement when the projectile starts with a horizontal initial velocity. We also explain common mistakes people make when doing horizontally launched projectile problems.
An elaboration on how to use Newton's second law when dealing with multiple forces, forces in two dimensions, and diagonal forces.
Newton's second law of motion is F = ma, or force is equal to mass times acceleration. Learn how to use the formula to calculate acceleration.