# Motion

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Motion

## 1. Section 1

### 1.1. Describing Motion

1.1.1. Reference Points

1.1.1.1. An object is in motion if it changes position relative to a reference point.

1.1.2. Relative Motion

1.1.2.1. "The calculation motion of an object with regard to some other moving object."

1.1.3. Measuring Distance

1.1.3.1. International System of Units

1.1.3.1.1. M

1.1.3.1.2. CM

1.1.3.1.3. MM

1.1.3.1.4. KM

### 1.2. Speed

1.2.1. Speed Equation

1.2.1.1. Speed = Distance / Time

1.2.2. Average Speed

1.2.2.1. Divide the total distance by the total time

1.2.3. Instantaneous Speed

1.2.3.1. Rate at which an object is moving at a given time.

### 1.3. Graphing Motion

1.3.1. Calculating Slope

1.3.1.1. Slope = Rise / Run

1.3.2. Different Slopes

1.3.2.1. Some Objects don't move at a constant speed

### 1.4. Velocity

1.4.1. Speed in a given direction

1.4.2. When you know both the speed and direction of an object's motion, you know the velocity of the object

## 2. Section 3

### 2.1. What is Acceleration

2.1.1. The rate at which velocity changes

2.1.2. Speed ncreaces ->object accelerates

2.1.3. Decreasing Speed

2.1.3.1. Whenever an object's speed increases, the object accelerate

2.1.4. Changing Direction

2.1.4.1. When an object decreases in speed = Deceleration

### 2.2. Calculating Acceleration

2.2.1. Acceleration Equation

2.2.1.1. Acceleration = Final speed - Initial Speed / Time

### 2.3. Graphing Acceleration

2.3.1. Speed VS. Time Graph

2.3.2. Distance VS. Time Graph