Readings: (THE PHYSICS CLASSROOM)

PHYSICS I

UNIT II OUTLINE

Dynamics

Readings: (THE PHYSICS CLASSROOM)

SECTION 1 Vectors – Projectile Motion and Forces in Two Dimensions

SECTION 2 Forces and Newton’s Laws of Motion

Terms: (Section 1: VECTORS - Projectile Motion & Forces)

(PBLMS 2-1)

components vector resolution head & tail perpendicular independence

vectors scalar projectile motion equilibrium statics

vector addition trajectory resultant vector Pythagorean theorem

viy = vi sin θ vix = vi cos θ v = sqrt(vx2 + vy2) θv = tan-1 (vy / vx)

forces force addition force resolution free-body diagram

(Section 2: Force & Newton’s Laws of Motion)

(PBLMS 2-2)

Newton Newton’s 1st law Newton’s 2nd law two body problems

inertia spring force, Fsp tension weight, Wg

mass, m static friction kinetic friction weightlessness

types of forces applied force normal force normal force

balanced forces unbalanced forces coordinate system coefficient of friction

Newton’s 3rd law dynamics interaction pair action-reaction forces

Activities: Define the terms into journal (extra credit for definitions in Spanish)

Lab 1-1 (Initial Velocity) Lab 1-2 (Cannon Competition)

Lab 1-3 (Force Vectors) Lab 2-1(Newton’s 2nd law)

Investigation: Finding Mu, μ Lab 2-2 (Static vs. Kinetic Friction)

Lab 2-3 (Incline Plane Vectors) Lab 2-4 (Friction on an Incline)

Section 1 practice: PBLMS 2-1 Section 2 practice: PBLMS 2-2

For each section: objective/essential question, notes, a Section QUIZ,, Labs, and exercises.

Unit: Investigation, Review, Jeopardy, and Test.

(extra credit: artistic, dramatic, or educational presentation )

(record scores here)

______

(CCSD Objective #) Objective [State Standard]

5.1) THE STUDENT will analyze the forces acting on an object using system diagrams.

(3, 4, 5) [P.12.B.1, P.12.B.2, P.12.B.3, P.12.B.4]

5.2 THE STUDENT WILL DISTINGUISH BETWEEN MASS AND WEIGHT.

(4, 5) [P.12.B.1, P.12.B.4]

5.3 THE STUDENT WILL DISCUSS THE PRINCIPLE OF FRICTION.

(4, 5, 7) [P.12.B.1]

5.4 THE STUDENT WILL EXPLAIN PhenomEnon using NEWTON'S THREE LAWS OF MOTION.

(4, 5) [P.12.B.1]

5.5 THE STUDENT WILL apply their knowledge of NEWTON'S LAWs OF MOTION to solve problems mathematically and graphically.

(4, 5) [P.12.B.1]

5.6 THE STUDENT WILL MAKE CALCULATIONS INVOLVING THE MECHANICS OF UNIVERSAL GRAVITATION.

(4, 5, 6) [P.12.B.4]

5.7 the student will solve problems involving the coefficient of friction.

(4, 5, 7) [P.12.B.1]

5.8 THE STUDENT WILL DISTINGUISH BETWEEN CENTRIPETAL FORCE AND CENTRIFUGAL FORCE.

(4, 5) [P.12.B.1, P.12.B.4]

5.9 THE STUDENT WILL MAKE CALCULATIONS INVOLVING CENTRIPETAL FORCE.

(1, 4, 5) [P.12.B.1, P.12.B.4]

5.12 THE STUDENT WILL DESCRIBE SIMPLE HARMONIC MOTION.

(5, 6, 8, 9, 11) [P.12.B.1, P.12.C.1, P.12.C.2, P.12.C.6]

VIDEO LINKS

5.1) THE STUDENT will analyze the forces acting on an object using system diagrams.

(3, 4, 5) [P.12.B.1, P.12.B.2, P.12.B.3, P.12.B.4]

https://www.youtube.com/watch?feature=player_detailpage&v=BuPfDI7TyL0

<hORIZONTAL FORCE: DETERMINING FORCES 3.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=cqKTxv8KeQA

<HORIZONTAL FORCES: WRITING EQUATIONS 2MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=IrY-FlJ0c7Y

<ANGLED FORCE: 3.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=1rjwV8KkeDs

ANGLED: SOLVING FOR ACCELERATION 5.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=ftVw6eAY7rk

<NEW ANGLED: SOLVE FOR THETA 5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=glq8IML2CMA

<eLEVATOR: FIND TENSION 5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=8AcjOJAb8qA

<PROJECTILES: 2.7MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=VoZShcDXLvA

<INCLINE: 11MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=yagD_4UMxrg

<INCLINE: 5MIN>

https://www.youtube.com/watch?v=CRDSX4JhXcw&feature=player_detailpage

<INCLINE W/ 1 PULLEY: 6MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=axFE35JB2s8

<atwood: 5.5min>

https://www.youtube.com/watch?feature=player_detailpage&v=lNCHbomcPuM

<pulley w/ friction 6.5min>

5.2 THE STUDENT WILL DISTINGUISH BETWEEN MASS AND WEIGHT.

(4, 5) [P.12.B.1, P.12.B.4]

https://www.youtube.com/watch?feature=player_detailpage&v=ouiowIeL1MM

<6min)

5.3 THE STUDENT WILL DISCUSS THE PRINCIPLE OF FRICTION.

(4, 5, 7) [P.12.B.1]

https://www.youtube.com/watch?feature=player_detailpage&v=ZA_D4O6l1lo

<STATIC VS KINETIC 10MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=P0XbjUVES8Q

<PROBLEM: KINETIC 4MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=QnxuwB3x9jY

<ROLLING: 5.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=Vpq877lvG_M

<ON AN INCLINE 11MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=MDXq2Y03kB4

<TENSION AT ANGLE: 12.5MIN>

5.4 THE STUDENT WILL EXPLAIN PhenomEnon using NEWTON'S THREE LAWS OF MOTION.

(4, 5) [P.12.B.1]

https://www.youtube.com/watch?feature=player_detailpage&v=sabH4bJsxWA

<1ST LAW TO MUSIC: 4MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=4NQbeZ0EXZQ

<1ST LAW 3MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=WzvhuQ5RWJE

<2ND LAW IN SPACE: 6.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=3FQ58lVtbCg

<2ND LAW PBLM/KHAN: 10MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=NRKmJgIokxg

<3RD LAW NYE?: 7.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=cP0Bb3WXJ_k

<3RD LAW IN SPACE: 6MIN>

5.5 THE STUDENT WILL apply their knowledge of NEWTON'S LAWs OF MOTION to solve problems mathematically and graphically.

(4, 5) [P.12.B.1]

https://www.youtube.com/watch?feature=player_detailpage&v=dYt1t8Mpg4k

<2ND LAW: 6MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=Shqz6hwIIOI
<2ND LAW INCLINE: 8MIN>

(SEE FREEBODY DIAGRAM PROBLEMS)

5.6 THE STUDENT WILL MAKE CALCULATIONS INVOLVING THE MECHANICS OF UNIVERSAL GRAVITATION.

(4, 5, 6) [P.12.B.4]

https://www.youtube.com/watch?feature=player_detailpage&v=OZZGJfFf8XI

<5 PBLMS: 8.5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=Ah8jt8k3lAE

<GRAVITY & SATELITES: 12MIN>

5.7 the student will solve problems involving the coefficient of friction.

(4, 5, 7) [P.12.B.1]

(SEE FRICTION, OBJ. 5.3)

5.8 THE STUDENT WILL DISTINGUISH BETWEEN dEFINE CENTRIPETAL FORCE AND CENTRIFUGAL FORCE.

(4, 5) [P.12.B.1, P.12.B.4]

https://www.youtube.com/watch?feature=player_detailpage&v=weeiZjz-Q-o

<3MIN>

5.9 THE STUDENT WILL MAKE CALCULATIONS INVOLVING CENTRIPETAL FORCE.

(1, 4, 5) [P.12.B.1, P.12.B.4]

https://www.youtube.com/watch?feature=player_detailpage&v=GWn5LNMDb2k

<FREEBODY CENTRIPETAL 7MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=ny-oSBzd4T4

<CIRCULAR MOTION & GRAVITY: 9.5MIN>

5.12 THE STUDENT WILL DESCRIBE SIMPLE HARMONIC MOTION.

(5, 6, 8, 9, 11) [P.12.B.1, P.12.C.1, P.12.C.2, P.12.C.6]

https://www.youtube.com/watch?feature=player_detailpage&v=9HHRMCBQ2NU

<EQUATIONS & GRAPHS: 13MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=ZzwuHS9ldbY

<HOOKE’S LAW: 1OMIN>

https://www.youtube.com/watch?feature=player_detailpage&v=Nk2q-_jkJVs

<GRAPHING KHAN: 10MIN>

NOT COVERED THIS UNIT!

5.10 the student will investigate the center of mass.

(4, 5) [P.12.B.1]

https://www.youtube.com/watch?feature=player_detailpage&v=x85JgWB57EE

<FINDING: 5MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=h0SZZTBQmEs

<SPINNING DISK PROBLEM: 3MIN>

https://www.youtube.com/watch?feature=player_detailpage&v=m9YzV8M8VNM

<SPINNING DISK ANSWER: 6MIN>