Recalibrating, forces, resultant calculations

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Recalibrating, forces, resultant calculations Monday, September 12, 2016

Unit 2: Static Forces Monday, 9/12 Warm-up What does a vector represent? Row leaders – please make sure your people have a ruler for today. Upcoming important dates Monday, 9/12 – homework quiz Tuesday, 9/13 – last day to re-quiz over the summer assignment Friday, 9/16 – unit quiz and review due Monday, 9/19 – unit test

Homework Quiz Take out your challenging a claim homework. Three minutes to complete.

Re-calibrating

What is a vector A line representing a magnitude 14 Newtons 5 meters Speed of 6 m/s A arrow representing a direction 14 Newtons of tension force to the right (think of the string from our lab on Thursday. Traveling 5 meters north Traveling at a velocity of 6 m/s west

Evaluating magnitude and direction Complete the practice questions from section one.

Check your answers

Connecting to the lab How does the practice you completed connect to the lab from last week?

What is a resultant Vector sum of two or more vectors. It is the result of adding two or more vectors together (note: vectors are drawn tip to tail) Example Diagram source: http://www.physicsclassroom.com/class/vectors/Lesson-1/Resultants

Methods of determining the magnitude of the resultant. Resultant (R) Graphically Pythagorean theorem

Head to tail practice

Practice – adding vectors graphically

Adding vectors using Pythagorean theorem Review CNs

Resolving vectors using Pythagorean theorem Practice

Revisiting FBDs

Pulling it all together

Homework Review your notes from today and practice from today. Complete static equilibrium practice

Cool Down How would you choose a method to determine the resultant of two or more vectors? Can you do all of the ‘I can statements’? If no what actions are you going to take to make sure you can?