# Physics

### Motion

## What Is Motion?

## Acceleration GraphThis graph demonstrates the formula of velocity over time. Velocity over time gives you the acceleration. | ## Velocity GraphThis graph demonstrates the formula of position over time which is velocity. | ## Average AccelerationThis is the formula for average acceleration. |

## Velocity

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## Acceleration

http://www.voki.com/pickup.php?scid=6718367&height=267&width=200

## TEKS

4A) generate and interpret graphs and charts describing different types of motion, including the use of real-time technology such as motion detectors or photogates;

4B) describe and analyze motion in one dimension using equations with the concepts of distance, displacement, speed, average velocity, instantaneous velocity, and acceleration;

4C) analyze and describe accelerated motion in two dimensions using equations, including projectile and circular examples;

4D) calculate the effect of forces on objects, including the law of inertia, the relationship between force and acceleration, and the nature of force pairs between objects;

4E) develop and interpret free-body force diagrams; and

4F) identify and describe motion relative to different frames of reference.

## Projectile Motion

Projectile motion is a form of motion where a particle, called a projectile is thrown obliquely near the earth's surface, it moves along a curved path under the action of gravity. The path followed by a projectile is called its trajectory.