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Monday, December 11

 

  • Intro. to 2-D motion and static forces
  • Statics vs. dynamics
  • The Bird on a Wire problem as a demonstration with the rope and weight
  • Hang a 5 kg mass from a pair of ropes that make a 30° angle with the horizontal. How much tension is in each rope? What if the angle is reduced to 10°? What about 1°?
  • A 30 N sign is supported by a horizontal cable and a cable that makes a 50° angle with the horizontal. How much tension is in each cable?

 

 

Tuesday, December 12

 

  • Forces on inclined planes
  • Rotation of 2-D axis to match plane surface. Description of forces that act on objects in equilibrium and dynamic cases on inclined planes

 

Wednesday, December 13

 

  • P. 170, 30-34 due
  • Go over problems in class
  •  

 

Thurday, December 14 - short due to 2 hour delay

 

  • Friction on inclined planes
  • Intro. to Inclined Plane Lab

 

Friday, December 15

 

  • P. 170, 35-38 due
  • Hand in problems
  • Work on inclined plane lab

 

Monday, December 18

 

  • 1-D projectiles
  • Simple monkey gun demonstration
  • Finding time is the key to solving projectile problems
  • A toy car rolls off our 0.95 m tall lab desk at a speed of 3.0 m/s. Where does it hit the ground?
  • How high is a cliff if a rock that rolls off the cliff hits at a velocity of 22 m/s at an angle of 15° from the vertical?

 

Tuesday, December 19

 

  • P. 170, 39-41 and 45 due
  • Go over problems together
  •  

Wednesday, December 21

 

  • Friction on Inclined Plane lab due
  • Qualitative type 2 projectile example

 

Thursday, December 22

 

  • Work on problems

 

Tuesday, January 2

 

  • Type 2 projectile example problems

 

Wednesday, January 3

 

  • Intro. to Projectile Lab

 

Thursday, January 4

 

  • Projectile Lab

 

Friday, January 5 - No School (too cold or whatever)

 

Monday, January 8

 

  • Projectile problems due (put solutions on the board)

 

Tuesday, January 9

 

  • Definining rotational speed as the ratio of circumference to period
  • Defining centripetal acceleration
  • Defining centripetal force
  • Know that centripetal force is always provided by some action force
    • Tension force if a ball whirled on a string
    • Friction force for a car going around a corner
    • Gravitational force for orbital motion
    • Electrical force for electron motion around a nucleus

 

Wednesday, January 10

 

  • Work on projectiles lab
  • Work on circular motion problems
  • Work on Chapter 7 Review

 

Thursday, January 11

 

  • P. 172, 49-53 due
  • Go over problems on the board.
  • Continue working on Chapter 7 Review and Projectiles Lab

 

Friday, January 12

 

  • Projectiles Lab Due
  • Go over problems on the board.
  • Continue working on Chapter 7 Review and Projectiles Lab

     

Monday, January 15 - No School - Teacher Inservice

Tuesday, January 16 - no class 7th (early dismissal)

 

  • Chapter 7 Review due
  • Go over problems on the board.
  • Go over issues with the inclined plane and projectiles lab

 

Wednesday, January 17

 

  • Go over some review problems on the board.

 

Thursday, January 18

 

  • Go over remaining review problems on the board.

 

Friday, January 19

 

  • Chapter 7 Test

 

Monday, January 22

 

  • Introduction to Gravitational motion
  • Tour of the Solar System model
  • Gravity as a centripetal force

Physics 1 Honors - Chapter 7

Forces and Motion in Two Dimensions

Unit Outline with Standards

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