Physics A
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

 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

  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

  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
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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

  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)
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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

 Activities
Rubber stopper
 
 
 
 
 
 

Lab #5:
Finding moment of inertia.

 


Ch. 7.5 SHM
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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

 Activities
 Lissajous program
 Spring questions
 
 

Lab #6:
Finding k by two methods