Math Homework. Do It Faster, Learn It Better.
Vectors
Consider the two statements.
1. A car is moving with a speed ofmph.
2. A car is moving with a speed ofmph towards north.
The first statement states only the speed with which the car moves. The second statement states both the speed and direction of the car.
The second statement describes both the speed and direction of the car.
Vector
A vector is a quantity which is described by both magnitude and direction.
Quantities such as force, velocity, and acceleration that has both magnitude and direction are vectors.
图中显示了一个向量与初始点and terminal point.
This vector can be represented byread as "vector . "
Component Form of a Vector
The component form of a vector combines the horizontal and vertical components.
The component form ofis.