2. CH 9 SEC 1 DESCRIBING MOTION

3. GOAL/PURPOSE IN THIS SECTION STUDENTS LEARN HOW TO DESCRIBE MOTION USING TERMS DISTANCE, DISPLACEMENT, IN THIS SECTION STUDENTS LEARN HOW TO DESCRIBE MOTION USING TERMS DISTANCE, DISPLACEMENT, SPEED, VELOCITY, AND ACCELERATION. SPEED, VELOCITY, AND ACCELERATION. YOU WILL ALSO LEARN HOW TO INTERPRET GRAPH OF MOTION YOU WILL ALSO LEARN HOW TO INTERPRET GRAPH OF MOTION

4. MOTION KEY- AN OBJECT IS IN MOTION IF ITS DISTANCE FROM ANOTHER OBJECT IS CHANGING. KEY- AN OBJECT IS IN MOTION IF ITS DISTANCE FROM ANOTHER OBJECT IS CHANGING. REFERENCE POINT- IS PLACE OR OBJECT USED FOR COMPARISON TO DETERMINE IF SOMETHING IS MOVING. REFERENCE POINT- IS PLACE OR OBJECT USED FOR COMPARISON TO DETERMINE IF SOMETHING IS MOVING. KEY- AN OBJECT IS IN MOTION IF IT CHANGES POSITION RELATIVE TO A REFERENCE POINT KEY- AN OBJECT IS IN MOTION IF IT CHANGES POSITION RELATIVE TO A REFERENCE POINT

5. Relative motion KEY- DEPENDS ON YOUR REFERENCE POINT. SITTING IN CHAIR NOT MOVING BUT IF YOU USE THE SUN AS A REFERENCE POINT YOU ARE MOVING. KEY- DEPENDS ON YOUR REFERENCE POINT. SITTING IN CHAIR NOT MOVING BUT IF YOU USE THE SUN AS A REFERENCE POINT YOU ARE MOVING. DISTANCE- IS THE LENGTH OF A PATH BETWEEN 2 POINTS. DISTANCE- IS THE LENGTH OF A PATH BETWEEN 2 POINTS. EX- WALKING HOME FROM SCHOOL EX- WALKING HOME FROM SCHOOL DISPLACEMENT- IS THE LENGTH AND DIRECTION THAT AN OBJECT HAS MOVED FROM ITS STARTING POINT DISPLACEMENT- IS THE LENGTH AND DIRECTION THAT AN OBJECT HAS MOVED FROM ITS STARTING POINT EX- AS THE CROW FLIES???? THE STRAIGHT LINE EX- AS THE CROW FLIES???? THE STRAIGHT LINE

6. KEY- distance is the total length of the actual path between 2 points. Displacement is the length and direction of a straight line between starting and ending points KEY- distance is the total length of the actual path between 2 points. Displacement is the length and direction of a straight line between starting and ending points

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