Vectors in Physics
Video thumbnail for Use Dot Product to Find the Angle between Two 3D vectors
Use Dot Product to Find the Angle between Two 3D vectors

23K views · Oct 29, 2022

problemsphysics.com

The objective of this video is to explain the use of the dot product to find the angle between two 3D vectors U and V starting from the formula U.V = |U| . |V| . cos(theta) where U . V is the dot product calculated using the components of U and V.

Video thumbnail for Find the Cross Product of two Vectors
Find the Cross Product of two Vectors

11K views · Oct 29, 2022

problemsphysics.com

The objective of this video is to discuss how to find the cross product of two vectors, given by their components, using the determinants. It is also shown that the cross product of two vectors U and V is perpendicular to both U and V. More in: http://

Video thumbnail for Find the components of a vector given its magnitude and direction
Find the components of a vector given its magnitude and direction

10K views · Oct 29, 2022

problemsphysics.com

The objective of this video is to explain how to find the components of a vector V given its magnitude and direction with respect to the x-axis. The following 6 examples are discussed in this video. Example 1: V has a magnitude of 20 and is directed a

Video thumbnail for Components of Forces
Components of Forces

16K views · Nov 1, 2022

problemsphysics.com

This video reviews the formulas to find the components of a vector in terms of its magnitude and angle (direction) as measured from the positive x-axis. These formulas are then applied to four different examples of forces of different magnitudes and direc