Khan Academy

Khan Academy

Physics

Projectile motion, mechanics and electricity and magnetism. Solid understanding of algebra and a basic understanding of trigonometry necessary.

1. Introduction to motion
2. Introduction to motion (part 2)
3. Introduction to motion (part 3)
4. Projectile motion (part 1)
5. Projectile motion (part 2)
6. Projectile motion (part 3)
7. Projectile motion (part 4)
8. Projectile motion (part 5)
9. Projectile motion (part 6)
10. Projectile motion (part 7)
11. Projectile motion (part 8)
12. Projectile motion (part 9)
13. Projectile motion (part 10)
14. 2 dimensional projectile motion (part 1)
15. 2 dimensional projectile motion (part 2)
16. 2-dimensional projectile motion (part 3)
17. 2 dimensional projectile motion part 4
18. 2-dimensional projectile motion part 5
19. Optimal angle for a projectile part 1
20. Optimal angle for a projectile part 2 - Hangtime
21. Optimal angle for a projectile part 3 - Horizontal distance as a function of angle (and speed)
22. Optimal angle for a projectile part 4 Finding the optimal angle and distance with a bit of calculus
23. Newton's First Law of Motion
24. Newton's Second Law of Motion
25. Newton's Third Law of Motion
26. Newton's Laws Problems (part 1)
27. Newton's Laws Examples (part 2)
28. Newton's Laws
29. Newton's Laws and vectors
30. Force with Vectors
31. Introduction to Tension
32. Tension (part 2)
33. Mass on Inclined Plane
34. Introduction to friction
35. Friction on an inclined plane
36. A more complicated friction/inclined plane problem
37. Tension in an accelerating system and pie in the face
38. Moving pulley problem (part 1)
39. Moving pulley problem (part 2)
40. Introduction to Momentum
41. Momentum: Ice skater throws a ball
42. 2-dimensional momentum problem
43. 2-dimensional momentum problem (part 2)
44. Introduction to work and energy
45. Work and Energy (part 2)
46. Conservation of Energy
47. Work/Energy problem with Friction
48. Introduction to mechanical advantage
49. Mechanical Advantage (part 2)
50. Mechanical Advantage (part 3)
51. Center of Mass
52. Introduction to Torque
53. Moments
54. Moments (part 2)
55. Unit Vector Notation
56. Unit Vector Notation (part 2)
57. Projectile Motion with Unit Vectors
58. Projectile Motion with Unit Vectors (part 2)
59. Projectile Motion with Ordered Set Notation
60. Introduction to centripetal acceleration (part 1)
61. Centripetal Acceleration (part 2)
62. Centripetal Acceleration (part 3)
63. Visual Proof: a= v^2/r
64. Calculus Proof that a=v^2/r
65. Introduction to angular velocity
66. Conservation of angular momemtum
67. Introduction to Newton's Law of Gravitation
68. Gravitation (part 2)
69. Intro to springs and Hooke's Law
70. Potential energy stored in a spring
71. Spring potential energy example (mistake in math)
72. Introduction to Harmonic Motion
73. Harmonic Motion Part 2 (calculus)
74. Harmonic Motion Part 3 (no calculus)
75. Fluids (part 1)
76. Fluids (part 2)
77. Fluids (part 3)
78. Fluids (part 4)
79. Fluids (part 5)
80. Fluids (part 6)
81. Fluids (part 7)
82. Fluids (part 8)
83. Fluids (part 9)
84. Fluids (part 10)
85. Fluids (part 11)
86. Fluids (part 12)
87. Thermodynamics (part 1)
88. Thermodynamics (part 2)
89. Thermodynamics (part 3)
90. Thermodynamics (part 4)
91. Thermodynamics (part 5)
92. Electrostatics (part 1): Introduction to Charge and Coulomb's Law
93. Electrostatics (part 2)
94. Proof (Advanced): Field from infinite plate (part 1)
95. Proof (Advanced): Field from infinite plate (part 2)
96. Electric Potential Energy
97. Electric Potential Energy (part 2-- involves calculus)
98. Voltage
99. Capacitance
100. Circuits (part 1)
101. Circuits (part 2)
102. Circuits (part 3)
103. Circuits (part 4)
104. Cross product 1
105. Cross Product 2
106. Cross Product and Torque
107. Introduction to Magnetism
108. Magnetism 2
109. Magnetism 3
110. Magnetism 4
111. Magnetism 5
112. Magnetism 6: Magnetic field due to current
113. Magnetism 7
114. Magnetism 8
115. Magnetism 9: Electric Motors
116. Magnetism 10: Electric Motors
117. Magnetism 11: Electric Motors
118. Magnetism 12: Induced Current in a Wire
119. The dot product
120. Dot vs. Cross Product
121. Calculating dot and cross products with unit vector notation
122. Introduction to Waves
123. Amplitude, Period, Frequency and Wavelength of Periodic Waves
124. Introduction to the Doppler Effect
125. Doppler effect formula for observed frequency
126. Doppler effect formula when source is moving away
127. When the source and the wave move at the same velocity
128. Mach Numbers
129. Specular and Diffuse Reflection
130. Specular and Diffuse Reflection 2
131. Refraction and Snell's Law
132. Refraction in Water
133. Snell's Law Examples 1
134. Snell's Law Example 2
135. Total Internal Reflection
136. Virtual Image
137. Parabolic Mirrors and Real Images
138. Parabolic Mirrors 2
139. Convex Parabolic Mirrors
140. Convex Lenses
141. Convex Lens Examples
142. Concave Lenses
143. Object Image and Focal Distance Relationship (Proof of Formula)
144. Object Image Height and Distance Relationship

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