| Dr. John
P. Cise |
edited 12/14/13 |
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http://cisephysics.homestead.com/files/NYT22_RotationalDynamics.htm |
Copyright
by Dr.Cise & NYTimes |
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| Prof.
Of Physics, Austin Com. College, 1212 Rio Grande St, Austin, Texas 78701 ;
Phone: 512.223.3293 ; jpcise@austincc.edu |
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| Dr Cise's Physics: p 22 |
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ROTATIONAL DYNAMICS |
NYTimes
Applications |
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Click site below for |
pg. |
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http://cisephysics.homestead.com/files/NYThome5.htm |
http://CisePhysics.homestead.com/files/NYT.htm |
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ALL Application sites |
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http://CisePhysics.homestead.com/files/NYThome6.htm |
http://CisePhysics.homestead.com/files/NYTHome2.htm |
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| http://CisePhysics.homestead.com/files/NYT.htm |
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http://CisePhysics.homestead.com/files/NYThome7.htm |
http://CisePhysics.homestead.com/files/NYThome3.htm |
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| page
22 |
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http://cisephysics.homestead.com/files/NYThome8.htm |
http://CisePhysics.homestead.com/files/NYThome4.htm |
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| ROTATIONAL |
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http://CisePhysics.homestead.com/files/NYThome9.htm |
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| DYNAMICS |
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http://CisePhysics.homestead.com/files/NYThome10.htm |
http://CisePhysics.homestead.com/files/NYThome13.htm |
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http://CisePhysics.homestead.com/files/NYThome11.htm |
http://CisePhysics.homestead.com/files/NYThome12.htm |
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Theme |
Lev |
unit |
Web
Site |
Concepts
and features of each page. |
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| 12/12/2012 |
16 inch diameter bike |
1 |
13 |
http://CisePhysics.homestead.com/files/SmallWheeledBike.pdf |
Instead of 26 inch diameter bike this one is 16 inch. |
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| 10/25/2013 |
Turbin diameter = P |
1 |
16 |
http://CisePhysics.homestead.com/files/WindTurbinDiameters.pdf |
Wind Power is proportional to turbin diameter squared |
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| 8/15/2012 |
Wind turbines |
1 |
16 |
http://CisePhysics.homestead.com/files/ObamaWindPower.pdf |
Wind turbines using rotational kinetic energy to produce
electricity. |
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| 7/31/2012 |
Ang. Momentum Con. |
2 |
16 |
http://CisePhysics.homestead.com/files/OlympicDiving2012.pdf |
Olympics 2012 divers used Angular momen. Conservation for spin |
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| 6/6/2012 |
Longer Rackets:big v |
1 |
13 |
http://CisePhysics.homestead.com/files/ErraniLongRacket.pdf |
Italian Tennis star using a longer tennis racket produces
bigger V. |
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| 10/11/2012 |
Angular momentum |
1 |
16 |
http://Cisephysics.homestead.com/files/cyclewontFall.pdf |
Motorcycle has 2 gyroscopes, thus no kickstand needed. |
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| 10/7/2012 |
HP of a Turbo Car |
1 |
16 |
http://Cisephysics.homestead.com/files/VelostarTurbo2013.pdf |
Knowing engine torque & rpm we can find a car's
horsepower. |
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| 1/6/2012 |
Bowling Ball slides |
2 |
16 |
http://CisePhysics.homestead.com/files/FirstBigBowlingStar.pdf |
Bowling Ball slides with friction and can curve. |
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| 1/18/2012 |
Earth rotation slowing |
1 |
16 |
http://CisePhysics.homestead.com/files/EarthSlowingRotation.pdf |
Tidal friction causing earth to reduce rotation by 0.0017
s/day. |
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| 9/4/2011 |
Balls Lin. & Rotat.
Eng |
1 |
16 |
http://CisePhysics.homestead.com/files/Nadals3200rpmBallspin.pdf |
Tennis balls can take on Linear & rotational kinetic
energy. |
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Moment of Inertia |
1 |
16 |
http://Cisephysics.homestead.com/files/WallendaNiagaraFalls.pdf |
High wire walker increases moment of inertia with long rod. |
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| PAGE 14 |
BMWseries1M power |
2 |
16,11 |
http://CisePhysics.homestead.com/files/2011BMW1seriesM.pdf |
P = Torque x angular
V ,
P(linear) = F x V |
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| PAGE 13 |
Moment of Inertia + |
2 |
16 |
http://CisePhysics.homestead.com/files/HighWirePhilippePetit.pdf |
High wire walker increases moment of inertia with long rod. |
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Angular bike WORK |
1 |
16 |
http://CisePhysics.homestead.com/files/BikeGearing.pdf |
You don't have to go to the gym to work out…..RIDE A BIKE. |
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Rotational WORK |
1 |
16 |
http://CisePhysics.homestead.com/files/WaterPumpWestAfrica.pdf |
High moment of inertia in angular kinetic energy put to do
WORK. |
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| PAGE 12 |
Flywheel Powered car |
1 |
16 |
http://CisePhysics.homestead.com/files/FlywheelPowerCar.mht |
40,000 rpm spinnimg flywheel saves rotational energy for use. |
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Angular Power |
1 |
16 |
http://CisePhysics.homestead.com/files/V8CarPower2010.mht |
Great question showing angular power = Torque X Ang. V |
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Spinning Basketball |
1 |
16 |
http://CisePhysics.homestead.com/files/BasketballSpin.mht |
Spinning basketballs have both kinetic enrgy and momentum. |
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| PAGE 11 |
Gym generated power |
1 |
16 |
http://CisePhysics.homestead.com/files/GenerateWatts.mht |
At your next gym workout generate your own electric power. |
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Baseball pitch ang. V |
1 |
13 |
http://CisePhysics.homestead.com/files/PitcherArmRotation.mht |
Pitcher's rotate arm at ~22 rev/s when pitching 100 mph
balls. |
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Caterpillar's angular v. |
1 |
13 |
http://CisePhysics.homestead.com/files/BulldozerRotations.mht |
Many rotating exterior wheels on a caterpiller tractor. |
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Tidal power generation |
2 |
16 |
http://CisePhysics.homestead.com/files/WattsFromTides.pdf |
Lots
of electrical power possible from tides. |
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| PAGE 10 |
Toyota Break sticks |
1 |
16 |
http://CisePhysics.homestead.com/files/BreakPedalRecal.mht |
Excessive spring assembly friction prevents pedal to return
to idle. |
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OlympicTriple Lutz |
2 |
16 |
Http://CisePhysics.homestead.com/files/TorqueCausesTripleLutz.mht |
Torque is required to have a change in angular momentum on
ice. |
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Ferrari angular power |
2 |
16 |
http://CisePhysics.homestead.com/files/FerrariCalifornia2009.mht |
Find HP in ft. lb/s two ways here: ang. Power = torque X ang.
Vel. |
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Momentum in diving |
1 |
16 |
http://CisePhysics.homestead.com/files/DivingSpins.mht |
Angular Momentum is conserved when no external torques exist. |
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| PAGE 9 |
Proper prop frequency |
1 |
13 |
http://CisePhysics.homestead.com/files/AmeliaRotations.mht |
Tangential prop speed must exceed by 25% the air speed of
plane. |
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| PAGE 8 |
Big inertia helps putters |
2 |
16 |
http://CisePhysics.homestead.com/files/PuttersWithBigInertia.mht |
New putter design increases moment of inertia to increase
stability. |
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| PAGE 7 |
Skipping =
constant f |
2 |
13,4,5 |
http://CisePhysics.homestead.com/files/HolyfieldSkipsRope.mht |
Skippin rope at constant frequency is essential to skip
successfully |
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Break dancing Spins |
2 |
16 |
http://CisePhysics.homestead.com/files/BreakDancingSpins.mht |
Spining on head using angular momentum, but work needed to do. |
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| PAGE 6 |
Tightwalk at 1000 ft up |
1 |
16 |
http://CisePhysics.homestead.com/files/ManOnWireCable.mht |
1974 tightwalker walks wire between two World Trade Ct.
towers. |
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| PAGE 5 |
Batter swings at ball. |
1 |
13 |
http://CisePhysics.homestead.com/files/battersSwingSpeed.mht |
Home plate batters MUST judge balls speed & swing correct
v. |
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BMX Bikes Olympics |
2 |
13,16 |
http://CisePhysics.homestead.com/files/BMXatBeijing.mht |
Angular Dynamics of BMX bike at Beijing Olympics:Fun stuff. |
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Pres. Nixon bowling. |
1 |
16 |
http://CisePhysics.homestead.com/files/BowlerNixon.mht |
Pres. Nixon causes
bowling ball's linear/angular kinetic energy. |
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| PAGE 4 |
Torque = I alpha |
2 |
16 |
http://CisePhysics.homestead.com/files/RollThatCheese.mht |
Italian easter fun: Who rolls cheeses with the least
strokes/rolls. |
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