## 1. Equations

### 1.1. V(f)=V(i)+ a(x)t

### 1.2. Change in x=1/2[V(f)+V(i)]t

### 1.3. Change in x=V(i)t+1/2at^2

### 1.4. V(f)^2=V(i)^2+2a(delta)x

## 2. Newton's Second Law

### 2.1. Force vector = mass scalar time acceration vector

### 2.2. Net Force is constant

2.2.1. F=ma

## 3. Acceration

### 3.1. Linear

3.1.1. Average

3.1.1.1. Average Velocity/time interval

3.1.2. Instantaneous

3.1.2.1. Change in velocity/a very small time interval

### 3.2. Units

3.2.1. meters per seconds squared

### 3.3. rate of change in velocity

## 4. Vectors

### 4.1. Displacement

## 5. Velocity

### 5.1. Linear

5.1.1. Average

5.1.1.1. Change in rate/Change in time

5.1.2. Instantaneous

5.1.2.1. The displacement/a very small time change

## 6. Net Force

### 6.1. Constant

6.1.1. Acceration is Constant

### 6.2. Not Constant

6.2.1. The change in velocity has the same direction as the net force

## 7. Free Fall

### 7.1. No other forces but Gravitational

### 7.2. Weight

7.2.1. Mass x 9.8m/s/s

7.2.2. Apparent Weight

7.2.2.1. Is Zero while in free fall

7.2.2.2. Less then the Normal Force

### 7.3. Acceration is equal to g

### 7.4. Vector in x direction and y direction

7.4.1. Use equations to solve with vector addition