Physics AA
Semester 2 Topics/Homework/Activities

 Kinematics
 Dynamics
 Momentum
 Energy
 Rotational Motion
 Simple Harmonic Motion




Chapter 3 Motion in a Straight Line
 Jump to To
Topics
Scalar vs.   Vector 
Distance  Displacement
Speed  Velocity 

Velocity 
(constant,  average,  instantaneous,  initial,  final  )

Acceleration ( uniform,  due to gravity   9.8 m/s2  )

Unit Conversions

Problem solving techniques

Kinematic Equations

Vf   =  Vi  +  at 

d = (1/2)(Vf  +  Vi )t 

Vavg   =   Vf  +  Vi
                      2
d  =  Vit  +  1/2 at2

vf2  =  vi2  +  2ad
 
 

Physics     AA
Chapters    2 & 3
Kinematics--The Description of Motion 

Topics:

Kinematics                                     

Scalar vs. Vector 
Speed  Velocity 
Distance  Displacement     

Acceleration      
uniform
due to gravity  9.8 m/s2                             

Instantaneous and Average
 
Problem solving techniques   
  
Unit Conversions
                                     Kinematic Equations

vf  =  vi +  at           s =  (1/2)(vf + vi)t       s = vit  +  (1/2) at2        vf2  =  vi2  + 2as
vav =  (1/2)(vf + vi)

Significance of Shape of Graphs   
  
Direct  Variation

Slope and its meaning in different graphs 
Area and its meaning among graphs

Graphs:
Position vs. Time
Velocity vs. Time 
Acceleration vs. Time

Vectors       
Direction and Magnitude    

Vector Addition  
“tip  to  tail”  ; graphical, mathematical

Independence of Vectors    

Representation of : displacement, velocity,  acceleration          
Concurrent

Pythagorean Theorem
       c2  =  a2  +  b2     

Vector Diagrams

Addition of Several Vectors   

Components (vertical & horizontal)

Projectile and Projectile Motion

Vector Resolution for a right triangle, 
 sinq   = opp /  hyp  
 cosq   = adj  /  hyp 
 tanq   = opp / adj

Horizontal and Vertical are independent of each other

Trajectory

Frame of Reference

Lab #1 Describe the motion of five objects

Activities:
Computer Stations, Falling ruler,
Monkey & Hunter, Target practice
 

Problems:
 
CH 2        CH 3
DC 5, 15, 17      DC 1, 7
P 36, 47, 49, 58, 64, 65    P 2, 8, 10, 12, 14
Sketch & vector program  (25-34)  22, 25, 57, 60
Graphical method   (any two)  Bonnie Blair sheet
Mathematical method   (any two)
 

Homework:
Vocabulary Review
Problems  A     1,2,3,7,9,13,17 page 55-56
Problems  B     1, 3a   page 56
Bonnie Blair Sheet
 
 
 

Activities:
Falling ruler
 

Lab #1
Describe the accelerations of the system

Chapter 4 Graphical Analysis of Motion
Topics
Significance of Shape of Graphs

Slope and its meaning in different graphs 

Area and its meaning among graphs

Graphs:
Position vs. Time 
Velocity vs. Time 
Acceleration vs. Time

Homework:
Vocabulary Review
Questions  1-5  page  68
Problems   A 3-5, 9-13 page  70,71
Problems   B 1  page  72
 

Activities:
Rolling ball
Computer stations

Chapter  7 (Sections  7.1  and  7.2  only) Trajectory
Topics
Projectile and Projectile Motion 

Horizontal and Vertical are independent of each other

Trajectory

Frame of Reference

 Homework:
 Vocabulary Review
 Problems    1,2,6  page  116-117
 Problems    7,8,11 page  118-119

 Activities:
 Computer simulation
 Monkey & hunter
 Target practice




Chapter 5 Forces
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Topics
Four Forces

Contact vs. Action at a Distance

Newton’s Laws of Motion
1. Inertia   Things stay the same unless.....
2. F=ma   What happens when a net force is present ?
3. Action-Reaction Forces come in pairs

Weight vs. Mass
W=mg

Units
Newton (N)      kilogram (kg)
Pound(Lb)        slug
1N=1kgm/s2

Equilibrium Net F=0

Ff=mFN
Static vs. Kinetic coefficient of friction
Normal force

Free Fall
Air resistance
Terminal velocity
 
 
 

Physics AA
Ch. 5  (Hecht)
Dynamics: Forces and Acceleration

Topics
Acceleration

Free Body Diagrams
F = Dp/Dt = ma
weight = mg
weight vs. mass
normal force
inclined plane  mgsinq   mgcosq
elevator

Curvalinear motion

centripetal vs. centrifugal
centripetal acceleration  ac = v2/r
centripetal force    Fc = mv2/r
circular motion
banking     tanq = v2/(gr)

Friction

friction     Fmax = mFN
static vs. kinetic    ms > mk

Homework
DC any 2
MC any 5
P from each section I(4), II(3), III(1)

Lab
Compare theory with experiment

Activities
The ball and the cone
Using circular motion to find the unknown mass

 Homework:
 Vocabulary Review
 RC 4, 7
 AC 1, 4, 11
 P. 27, 28 plus at least 10 others.
(What do you think will be on the test?)
 
 
 
 

Lab #2:
The accelerating cart (Does the theory agree with experiment?)
 
 
 
 

Activities:
TheSick Note
 
 
 
 

 

Chapter 6 Vectors
Topics
Scalar vs. Vector
Direction and Magnitude
May be used to represent:
displacement, velocity, acceleration, forces and others.

Independence of vectors
Components (vertical & horizontal)
vector resolution
sinq=o/h
cosq=a/h
tanq=o/a

Pythagorean Theorem
c2 = a2+ b2
Concurrent

Addition of vectors
Vector diagrams
“tip to tail”
Two methods: Graphical & Analytical
 

Equilibrium
Equilibrant

Incline Planes

Normal Force

 Homework:
 Vocabulary Review
 RC 10, 11, 12
 AC 1, 3, 8, 12, 13
 P Graphical Method (3)
    Analytical Method with sketch (3)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 




Chapter 9 Momentum and its conservation
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Topics
Conservation laws (mass, energy, momentum......)

isolated system

momentum  p=mv   kgm/s

impulse  Ft=D(mv)  Ns

nternal vs external forces

center of mass

Frame of reference

One dimensional collisions

Two dimensional collisions
 
 

Physics     AA
Chapters    4
Momentum: Newton’s Three Laws 

Topics:

Law of Inertia  (1st Law)
Galileo’s experiment
Velocity and Force are not so closely related.

Ballistic Motion

Forces and Vectors

2nd Law-
Mass: inertial and gravitational
Linear Momentum
p=mv

Impulse
FDt=D(mv)=Dp

Force - Time graph (area)

Interactions/Collisions

Conservation of linear momentum
1D
2D- (not in text) make the equation

vector program
Lab #2  A)   (Colliding Carts) Find the unknown mass.
  B)   (Ballistic Pendulum) Find the muzzle velocity of the gun.

Activities:
Egg Throw
Fan Cart
Water rocket
Auto collisions

Problems
DQ 1, 11, 15
MC 9-13, 16
P 1, 2, 12-16, 29, 30, 38, 39, 50, 55-58, 63, 65

 Homework:
 AC 1, 3, 7, 10, 11
 P 25, 26, plus 10 others
 Vocabulary Review
 

Activities:
 2-liter bottle rocket
 P.V.C. gun
 egg throw
 Newton’s Cradle
 
 

Lab #3:
Is momentum really conserved?




Chapter 10 Work, Power  and Simple Machines
Jump to Top
Topics
Work = Fdcosq
 Nm = Joules

Force-Distance graph
Work = Area

Power = work/time
 watt = joule/sec

Six simple machines
Fr, Fe, Dr, De

MA =  Fr/Fe
IMA = De/Dr
EFF = MA/IMA

 Homework:
 Vocabulary Review
 RC 2 , 5
 AC 3, 6
 P 4, 5, 20, + four from 10.1 + four from 10.2
 
 
 
 
 
 

 

Chapter 11 Energy
Topics
KE = (1/2)mv2

PE = mgh

Conservation of Energy Law

Elastic / Inelastic Collisions
 
 
 
 
 

Physics AA
Ch. 6
Equilibrium:  Statics

Topics
equilibrium a=0

Translational equilibrium SF=0  SFh=0  SFv=0

Rotational equilibrium  St=0

concurrent, coplanar

compression, tension

ropes and pulleys

bars, bones, and trusses

Torque  t = r x F  t = r F sinq

cross product

moment

Center-of-gravity

Xcg = (SFwX)/SFw

Stable, unstable, and neutral equilibrium

Activities
pulley problems
weight room analysis
find the unknown mass

Homework
DC (2)
MC (5)
P translational eq, rotational eq, eq of extended bodies
 I (4)
 II (3)
 III (1)
No formal lab for this chapter.

 Homework:
 RC 14
 AC 4, 7, 9
 P 3, 22, 31, + four from 11.1 + four from 11.2
 Vocabulary Review

 Activities:
 Find your power, F-D graph of a spring

Lab #4:
Find the MA, IMA and EFF of some machines




Ch. 7 sections 2 Rotation (not simple harmonic motion)
Jump to Top
Topics
Linear                                     Angular
Kinematics
d                                             q rad, deg, grad                  d=rq
v                                             w rad/sec, deg/sec              v=rw
a                                              a rad/sec2,  deg/sec2           a=ra

vf = vi + at                               wf = wi + at
d = t(vi + vf)/2                        q = t(wi + wf)/2
vf2 = vi2 + 2ad                        wf2 =wi2 + 2aq
d = vit + (1/2)at2                                q = wit + (1/2)at2

Homework:
 R.C. 7, 8
 A.C. 6-9
 Problems 13-20
 Worksheet
 

 

Dynamics
F = ma                                       t = Ia
KE = (1/2)mv2                          KE = (1/2)Iw2
W = Fd                                      W =  tq
p = mv                                       p = Iw

Centrifugal - Centripetal
ac = wv
ac = w2r
ac = v2/r
ac = 4p2r/T2
ac = 4p2rf2

Moment of Inertia (I) Using the chart mass and position

Conservation of angular momentum
 
 
 
 
 

Physics  AA
Ch. 8 
Rotational Motion

Rotation / Translation

Linear Angular
Kinematics
s q rad, deg, grad, rev s=rq
v w rad/sec, deg/sec v=rw
a a rad/sec2,  deg/sec2 a=ra

vf = vi + at wf = wi + at
s = t(vi + vf)/2 q = t(wi + wf)/2
vf2 = vi2 + 2as wf2 = wi2 + 2aq
s = vit + (1/2)at2 q = wit + (1/2)at2
vave=1/2(vf+vi) wave=1/2(wf+wi)

Dynamics
F = ma t = Ia
p = mv L = Iw  L = r x p
t = DL/Dt

Gyroscopic Stability

Center of mass

Rolling down an incline

Moment of Inertia
I = Smr2
Table 8.3 page 251

Conservation of angular momentum

Lab #4: Finding moment of inertia two ways

Problems
1, 2, 4, 9, 10, 13, 27, 34, 35, 37, 40, 43, 47, 56, 57, 66

Activities
Tops and Boomerangs
Rubber stopper

Activities
Rubber stopper
 
 
 
 
 
 

Lab #5:
Finding moment of inertia.

 




Ch. 7.5 SHM
Jump to Top
Topics
Equilibrium position

KE - max. & min.

PE - max. & min.

Compare and contrast with DHM

T = time/events
Pendulums
T = 2p(L/g)^.5  (best for small angles)
angle has small effect

mass effects only DHM

Springs
F = -kx  Hooke’s Law

Stiffening spring 
Softening spring

Slope 

T = 2p(m/k)^.5

Lissajous Figures
Ratio
Phase
 
 
 

Physics  AA
Ch. 9 
Energy

Work = Fs cosq

Deformable objects and friction

Work = area under a force-displacement graph

Work is path independent for a conservative force.
Work is path dependent for a nonconservative force.

Efficiency = work out/work in

Power = work/time

Power = Fv cosq

KE = (1/2) mv2

GPE = mgh

DGPE = GmM(1/r1-1/r2)

Internal energy

Conservation of energy

Escape velocity = (2GM/R)^0.5

Elastic vs Inelastic collisions

Mass on a spring
spring constant k    T=2p(m/k)^0.5

Pendulum     T=2p(L/g)^0.5

Lab #5: Finding the spring constant two ways.
Lab #6: Finding the efficiency of some simple machines.

Problems
1, 4, 5, 10, 13-15, 27,   30-33, 38, 45,   48, 49, 52, 53, 62, 65-67

Activities
 Lissajous program
 Spring questions
 
 

Lab #6:
Finding k by two methods