Warm-Up 5 min Physics Bonus Round Assessment! 20 min

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10-28-11 Warm-Up 5 min Physics Bonus Round Assessment! 20 min LEARNING GOALS: The motion of an object depends on the perspective of the observer. Motion can be represented and analyzed graphically and mathematically. 10-28-11 WARM-UP: HOMEWORK CHECK Place on your desk: *Calculator & Protractor *Orange Homework Chart *Protractor/Angle Packet (graph paper) 1) The diagonal in a right triangle is called… 2) The term used for a vector side of a right triangle is… Agenda Warm-Up 5 min Physics Bonus Round Assessment! 20 min Vocab. Words 10 min Vector fill-in notes 15 min “In the Park” worksheet 15 min Pre-Vector Worksheet I 20 min hypotenuse HOMEWORK DUE: Protractor/ Angle Packet! component

Physics Bonus Round No talking Answer ALL Questions Turn-in when finished

Vocab. Equilibrant: the one force that brings the net force to equal zero. The equilibrant is equal to but opposite the resultant. Graphical Representation: using a vector diagram to represent either forces acting on an object or velocity/ acceleration vectors.

Vector Quiz Nov. 1 (B) & 2 (A)

Review: -Vectors requite magnitude (how much) and direction & or orientation. -Scalar quantities

Special Case: If you are ONLY solving for the equilibrant force, you can use the Pythagorean Theorem to calculate the magnitude of the resultant. **Use only, if 2 sides are known and direction is NOT needed!

PYTHAGOREAM THEOREM A2 + B2 = C2 C (hypotenuse) side A side B

For example: 32 + 42 = C2 9 + 16 = C2 ? 3 4 25 = C2 C = √25 C = 5

X F Y X and Y are components (vectors) F is the force that is resolved

Y V X Vector V has components X & Y

“The person lives twice who lives the first life well.” Robert Herrick DUE TODAY: Pre-Vector Notes (KEEP) “The person lives twice who lives the first life well.” Robert Herrick DUE NEXT CLASS: Pre-Vector WS I Bring Calculator & Protractor!