**Big Idea discussed in this presentation**:

-The four basic parameters that describe motion are position, velocity, acceleration and time.

This presentation is approximately 24 minutes in length.

**IMPORTANT NOTE**: The material in this presentation is fairly easy to comprehend except for one key point that traditionally proves difficult for first year physics students...please try to grasp the following propositions before your listen to the presentation:

1. Positive accelerations can mean one of two things:

A. An object is moving forward and speeding up.

B. An object is moving backward and slowing down.

2. Negative accelerations can mean one of two things:

A. An object is moving backward and speeding up.

B. An object is moving forward and slowing down.

If you understand these ideas, you will have an easier time following the presentation...Thanks for your efforts in the course so far!