Monday October 10 2011 Agenda p 16 Warm

Monday, October 10, 2011 Agenda p 1&6 Warm Up • Measuring Up p 23 -24 • Position pamphlet LEFT ISN Make an ACROSTIC with the word POSITION giving as many words as you can that relate to POSITION P O S Initial position T I O N

Friday, October 7, 2011 Agenda p 5 Warm Up • Correct HW • Quiz • Correct Quiz • Measuring Up p 23 -24 • Position pamphlet Clear your desk Have a pen Have a RED pen Be ready for quiz

Announcements • Monday (10/10): MTV research due; Speed & Velocity • Tuesday: Speed & Velocity • Wednesday: Speed & Velocity; Lab intro • Thursday: Lab • Friday: Big Quiz

Determining Position

Determining Position A REFERENCE POINT is a starting point used to describe the position of an object. Distance - the length of a path from one point to another

Determining Position How to describe an object’s position: 1. A reference point 2. A direction from the reference point 3. A distance from the reference point

Determining Position 3 m 5 m REFERENCE POINT Position of an object can be shown by an ARROW SIZE OF ARROW = DISTANCE OF OBJECT FROM REF. POINT DIRECTION OF ARROW = DIRECTION FROM REF. POINT TO OBJECT

Determining Position 3 m 5 m REFERENCE POINT VECTOR A quantity that has both a SIZE and a DIRECTION

Distance the length of a path from one point to another 60 m Point A 0 m What is the distance? Point B 60 m

Distance What is the distance from Point A to Point C? Point B 30 m Point C 60 m Point A to Point B = 30 m Point B to Point C = 60 m Total = 90 m Point A 0 m

Displacement Point B 30 m The difference between the final position and the initial position of an object Point C 60 m m 7 6 Point A 0 m This line has a size (magnitude) and a direction. It is a: VECTOR

Quiz Answers 1. B 2. A 3. D 4. A 5. D 6. B 7. A 8. C 9. . 10. negative 11. Positive 12. Positive 13. +7 14. 0. 250 g 15. 1, 520, 000 cm

MEASURING UP • On a RIGHT SIDE page in your ISN. • Read p 23 -24 • complete the 4 Guided questions • Complete the 4 Qs on page 24 • Write the Question and the Answer

Create-a-Pamphlet • On your own design a pamphlet about position, distance, & displacement • Cover page • A section for each concept • Pictures showing the difference between all three concepts • Two example problems

HOMEROOM • Remember, no talking during AR in order to test and go to the library.