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PHYSICS MOVIES
(Look below the displayed movie)
Copyright 2000-2008 gmt@justuseit.com
by George Mathew, PO Box 923, West Chester, OH 45071 USA
Dream Science, Technology, Engineering, and Mathematics



Some of our movies won the Sci-Link "Best of the Web" Certificate from the National Science Teachers Association, USA. It is real!

Quick View Center (some examples):

1. Cross Products
2. Grounding a positive rod
3. Like currents attract
4. Thin lens: Object within f
5. Current Directions
6. Current split for parallel resistors
7. Projectiles: Horizontal distance

NOTE: Suggestions and criticisms are welcome. We have visitors of all ages coming to our site. If certain items are above or below your standard, we advice you to move on to the next. We apologize for your inconvenience.

• ESSENTIAL MATH
  1. The circumference of a circle.
     Movie Ref. Number 1
  2. cos THETA.
     Movie Ref. Number 2
  3. sin THETA.
     Movie Ref. Number 3
  4. tan THETA.
     Movie Ref. Number 4
     
     
• SIMPLE SHAPES
  1. A square.
     Movie Ref. Number 61
  2. A rectangle.
     Movie Ref. Number 63
  3. A cylinder.
     Movie Ref. Number 64
  4. A sphere.
     Movie Ref. Number 67
  5. A cube.
     Movie Ref. Number 68
     
     
• GRAPHS
  1. The tangent to a curve.
     Movie Ref. Number 60
  2. What is constant slope?
     Movie Ref. Number 59
     
     
• VECTORS
  1. Vectors (horizontal and vertical components).
     Movie Ref. Number 5
  2. Vector in the second Quadrant (horizontal and vertical components).
     Movie Ref. Number 6
  3. Vector in the third Quadrant (horizontal and vertical components).
     Movie Ref. Number 7
  4. Vector in the fourth Quadrant (horizontal and vertical components).
     Movie Ref. Number 8
  5. Three Vectors in Equilibrium.
     Movie Ref. Number 151
     
     
• MECHANICS
  1. See objects with constant speed but not constant velocity.
     Movie Ref. Number 9
  2. Ball kicked at constant velocity (with same magnitude and same direction).
     Movie Ref. Number 10
  3. Do we have the same velocity?
     Movie Ref. Number 11
  4. Relative Velocity.
     Movie Ref. Number 12
  5. Trains in opposite directions.
     Movie Ref. Number 34
  6. Free fall without air resistance.
     Movie Ref. Number 14
  7. Horizontal Projectile Motion.
     Movie Ref. Number 15
  8. Projectile Motion Analysis.
     Movie Ref. Number 16
  9. Circular motion indicating change in velocity vector.
     Movie Ref. Number 17
     
     
• FORCES
  1. Q 143: Understanding Inertia.
     Movie Ref. Number 143
  2. A 143: Understanding Inertia.
     Movie Ref. Number 144
  3. Newton's First Law.
     Movie Ref. Number 33
  4. Interpreting normal force.
     Movie Ref. Number 43
  5. The direction of weight.
     Movie Ref. Number 44
  6. The direction of weight of a satellite.
     Movie Ref. Number 45
  7. A body kept on an inclined plane.
     Movie Ref. Number 46
     
     
• MOMENTUM
  1. Q 139: Understanding Momentum.
     Movie Ref. Number 139
  2. A 139: Understanding Momentum.
     Movie Ref. Number 140
  3. Totally Elastic Collision.
     Movie Ref. Number 18
  4. Inelastic Collision.
     Movie Ref. Number 19
  5. Inelastic Collision.
     Movie Ref. Number 20
     
     
• Energy
  1. Q 141: Free Fall Energy Conservation.
     Movie Ref. Number 141
  2. A 141: Free Fall Energy Conservation.
     Movie Ref. Number 142
     
     
• TORQUE
  1. Clockwise Rotation.
     Movie Ref. Number 39
  2. More coming soon June 17, 2008
     
     
     
• ELECTRICITY
  1. Q 111: A positively charged object next to a neutral object.
     Movie Ref. Number 111
  2. A 111: A positively charged object next to a neutral object.
     Movie Ref. Number 112
  3. Q 113: A negatively charged object next to a neutral object.
     Movie Ref. Number 113
  4. A 113: A negatively charged object next to a neutral object.
     Movie Ref. Number 114
  5. Sticking balloons on walls.
     Movie Ref. Number 23
  6. Acceleration of an electron in an electric field.
     Movie Ref. Number 24
  7. Acceleration of a proton in an electric field.
     Movie Ref. Number 25
     
     
     
• GROUNDING CHARGED CONDUCTORS
  1. Q 131: Grounding a positive rod.
     Movie Ref. Number 131
  2. A 132: Grounding a positive rod.
     Movie Ref. Number 132
  3. Q 137: Grounding a negative rod.
     Movie Ref. Number 137
  4. A 137: Grounding a negative rod.
     Movie Ref. Number 138
     
     
     
• DIPOLES
  1. Q 115: Dipole in an electric field.
     Movie Ref. Number 115
  2. A 115: Dipole in an electric field.
     Movie Ref. Number 116
  3. Q 119: Dipole in an electric field.
     Movie Ref. Number 119
  4. A 119: Dipole in an electric field.
     Movie Ref. Number 120
  5. Q 121: Dipole in an electric field.
     Movie Ref. Number 121
  6. A 121: Dipole in an electric field.
     Movie Ref. Number 122
     
     
• CURRENT
  1. For the loop as a whole, current can flow counter-clockwise.
     Movie Ref. Number 92
  2. Current direction for individual segments.
     Movie Ref. Number 93
  3. Direction of current flow.
     Movie Ref. Number 55
  4. Resistance increases with temperature.
     Movie Ref. Number 62
  5. Current split for resistors in parallel.
     Movie Ref. Number 56
  6. Electron flow through the filament of a bulb.
     Movie Ref. Number 26
     
     
• KIRCHHOFFS LAW COMPONENTS
  1. 109 Q: Find the current.
     Movie Ref. Number 109
  2. 109 A: Find the current.
     Movie Ref. Number 110
     
     
• MAGNETISM

  1. A magnetic north pole repels another magnetic north.
     Movie Ref. Number 27
  2. A south pole attracts a north pole.
     Movie Ref. Number 28
  3. Magnetic field lines.
     Movie Ref. Number 29
  4. Get a feel for the magnetic field due to a current carrying wire.
     Movie Ref. Number 38
  5. Currents in the same direction (along -y) attract!
     Movie Ref. Number 52
  6. Currents in the same direction (along +y) attract!
     Movie Ref. Number 54
  7. Currents in opposite directions repel.
     Movie Ref. Number 53
     
     
     
• CROSS PRODUCTS

  1. What is x crossed into y?
     Movie Ref. Number 65
  2. What is y crossed into x?
     Movie Ref. Number 66
  3. What is z crossed into y?
     Movie Ref. Number 72
  4. What is y crossed into z?
     Movie Ref. Number 73
  5. What is x crossed into z?
     Movie Ref. Number 74
  6. What is z crossed into x?
     Movie Ref. Number 75
     
     
• AREA VECTORS

  1. The direction of area vector, 1.
     Movie Ref. Number 69
  2. The direction of area vector, 2.
     Movie Ref. Number 70
  3. The direction of area vector, 3.
     Movie Ref. Number 71
     
     
• INDUCED CURRENT

  1. Q 105: Loop moving to the right.
     Movie Ref. Number 105
  2. Q 105: Loop moving to the right.
     Movie Ref. Number 106
  3. Q 117: Stationary coil and moving Magnet.
     Movie Ref. Number 117
  4. A 117: Stationary coil and moving Magnet.
     Movie Ref. Number 118
     
     
• LIGHT

  1. Refracted Light.
     Movie Ref. Number 30
  2. Refraction of blue and red light through a prizm.
     Movie Ref. Number 31
     
     
• CONCAVE MIRRORS

  1. The radius of curvature.
     Movie Ref. Number 84
  2. Focus of a concave mirror.
     Movie Ref. Number 80
  3. The bulb kept at the focal length.
     Movie Ref. Number 91
  4. Object distance kept beyond R.
     Movie Ref. Number 77
  5. Real image of a concave mirror.
     Movie Ref. Number 78
  6. Object distance within the focal length of the concave mirror.
     Movie Ref. Number 79
  7. Object distance within the focal length of the concave mirror (2).
     Movie Ref. Number 85
     
     
• THIN LENSES

  1. Focus of a thin lens.
     Movie Ref. Number 81
  2. Object kept beyond f.
     Movie Ref. Number 82
  3. Object kept within the focal length.
     Movie Ref. Number 83
     
     
• NUCLEAR PHYSICS
  1. Nuclear size is tiny tiny compared to the nearest electron cloud radius.
     Movie Ref. Number 32

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